fix: homogenize markdown across files using markdownlint rules

books/free-programming-books-ar.md

@@ -9,20 +9,20 @@
 * [HTML and CSS](#html-and-css)
 * [Introduction to Programming in Arabic](#introduction-to-programming-in-arabic)
 * [JavaScript](#javascript)
-  * [Vue.js](#vuejs)
+    * [Vue.js](#vuejs)
 * [Linux](#linux)
 * [Open Source Software](#open-source-software)
 * [Operating System](#operating-systems)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Programming in Scratch](#programming-in-scratch)
 * [Python](#python)
 * [Raspberry Pi](#raspberry-pi)
 * [Ruby](#ruby)
 * [Security](#security)
 * [SEO](#seo)
 * [SQL](#sql)
-  * [PostgreSQL](#postgresql)
+    * [PostgreSQL](#postgresql)
 * [UI/UX](#uiux)
 
 
@@ -73,10 +73,10 @@
 
 ### Linux
 
-* [الإدارة المتقدمة لجنو/لينكس ](https://librebooks.org/gnu-linux-advanced-administration/) - Remo Suppi Boldrito, Josep Jorba Esteve, Abdel Rahim Ghaleb‏ (PDF)
+* [الإدارة المتقدمة لجنو/لينكس](https://librebooks.org/gnu-linux-advanced-administration/) - Remo Suppi Boldrito, Josep Jorba Esteve, Abdel Rahim Ghaleb‏ (PDF)
 * [أوبنتو ببساطة](https://www.simplyubuntu.com) - Ahmed AbouZaid‏ (PDF)
 * [دفتر مدير دبيان](https://ar.debian-handbook.info) - Raphaël Hertzog, Roland Mas, MUHAMMET SAİT Muhammet Sait‏ (PDF, HTML)
-* [دليل إدارة خواديم أوبنتو 14.04](https://academy.hsoub.com/files/10-دليل-إدارة-خواديم-أوبنتو/) - Ubuntu documentation team, Abdullatif Eymash‏ (PDF) 
+* [دليل إدارة خواديم أوبنتو 14.04](https://academy.hsoub.com/files/10-دليل-إدارة-خواديم-أوبنتو/) - Ubuntu documentation team, Abdullatif Eymash‏ (PDF)
 * [سطر أوامر لينكس](https://itwadi.com/node/2765) - Willam E. Shotts, Jr، ترجمة عبد اللطيف ايمش (PDF)
 
 
@@ -118,7 +118,7 @@
 
 ### Raspberry Pi
 
-* [احترف الرازبيري باي](https://www.ev-center.com/uploads/2/1/2/6/21261678/كتاب_احترف_الرازبيري_باي.pdf)  (PDF)
+* [احترف الرازبيري باي](https://www.ev-center.com/uploads/2/1/2/6/21261678/كتاب_احترف_الرازبيري_باي.pdf) (PDF)
 * [راسبيري باي السهل](http://librebooks.org/simply-raspberry-pi/)
 
 

books/free-programming-books-cs.md

@@ -7,19 +7,19 @@
 * [HTML and CSS](#html-and-css)
 * [Java](#java)
 * [Language Agnostic](#language-agnostic)
-  * [Algoritmy a datové struktury](#algoritmy-a-datove-struktury)
-  * [Bezpečnost](#bezpecnost)
-  * [Matematika](#matematika)
-  * [Právo](#pravo)
-  * [Regulární výrazy](#regularni-vyrazy)
-  * [Sítě](#site)
+    * [Algoritmy a datové struktury](#algoritmy-a-datove-struktury)
+    * [Bezpečnost](#bezpecnost)
+    * [Matematika](#matematika)
+    * [Právo](#pravo)
+    * [Regulární výrazy](#regularni-vyrazy)
+    * [Sítě](#site)
 * [LaTeX](#latex)
 * [Linux](#linux)
   * [Distribuce](#distribuce)
 * [OpenSource](#opensource)
 * [PHP](#php)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [Ruby](#ruby)
 * [TeX](#tex)
 * [Unity](#unity)

books/free-programming-books-de.md

@@ -15,16 +15,16 @@
 * [iOS](#ios)
 * [Java](#java)
 * [JavaScript](#javascript)
-  * [React](#react)
+    * [React](#react)
 * [LaTeX](#latex)
 * [Mathematik](#mathematik)
 * [Meta-Lists](#meta-lists)
 * [MySQL](#mysql)
 * [Neo4j](#neo4j)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [Ruby on Rails](#ruby-on-rails)
 * [Scilab](#scilab)
 * [Scratch](#scratch)

books/free-programming-books-el.md

@@ -3,7 +3,7 @@
 * [C](#c)
 * [C++](#cpp)
 * [Java](#java)
-* [Javascript](#javascript)
+* [JavaScript](#javascript)
 * [Python](#python)
 * [Scala](#scala)
 * [SQL](#sql)
@@ -30,7 +30,7 @@
 * [Σημειώσεις Java](http://www.ebooks4greeks.gr/wp-content/uploads/2013/03/shmeiwseis-Java-eBooks4Greeks.gr_.pdf) (PDF)
 
 
-### Javascript
+### JavaScript
 
 * [HTML5-JavaScript (Δημιουργώντας παιχνίδια – Ο εύκολος τρόπος)](https://www.ebooks4greeks.gr/html5-javascript)
 

books/free-programming-books-es.md

@@ -2,12 +2,12 @@
 
 * [0 - Meta-Listas](#0---meta-listas)
 * [1 - Agnósticos](#1---agnósticos)
-  * [Algoritmos y Estructuras de Datos](#algoritmos-y-estructuras-de-datos)
-  * [Base de Datos](#base-de-datos)
-  * [Ciencia Computacional](#ciencia-computacional)
-  * [Metodologías de Desarrollo de Software](#metodologías-de-desarrollo-de-software)
-  * [Misceláneos](#misceláneos)
-  * [Sistemas Operativos](#sistemas-operativos)
+    * [Algoritmos y Estructuras de Datos](#algoritmos-y-estructuras-de-datos)
+    * [Base de Datos](#base-de-datos)
+    * [Ciencia Computacional](#ciencia-computacional)
+    * [Metodologías de Desarrollo de Software](#metodologías-de-desarrollo-de-software)
+    * [Misceláneos](#misceláneos)
+    * [Sistemas Operativos](#sistemas-operativos)
 * [Android](#android)
 * [C](#c)
 * [C++](#cpp)
@@ -21,35 +21,35 @@
 * [HTML and CSS](#html-and-css)
 * [Java](#java)
 * [JavaScript](#javascript)
-  * [AngularJS](#angularjs)
-  * [D3](#d3js)
-  * [jQuery](#jquery)
-  * [node.js](#nodejs)
-  * [React](#react)
+    * [AngularJS](#angularjs)
+    * [D3](#d3js)
+    * [jQuery](#jquery)
+    * [node.js](#nodejs)
+    * [React](#react)
 * [LaTeX](#latex)
 * [Linux](#linux)
 * [Matemáticas](#matem%C3%A1ticas)
 * [.NET (C# Visual Studio)](#net-c--visual-studio)
 * [NoSQL](#nosql)
-  * [MongoDB](#mongodb)
-  * [Redis](#redis)
+    * [MongoDB](#mongodb)
+    * [Redis](#redis)
 * [Perl](#perl)
 * [Perl 6 / Raku](#perl-6--raku)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Python](#python)
-  * [Django](#django)
-  * [Web2py](#web2py)
+    * [Django](#django)
+    * [Web2py](#web2py)
 * [R](#r)
 * [Ruby](#ruby)
-  * [Ruby on Rails](#ruby-on-rails)
+    * [Ruby on Rails](#ruby-on-rails)
 * [Scala](#scala)
 * [Scratch](#scratch)
 * [SQL](#sql)
 * [Subversion](#subversion)
 * [SVG](#svg)
 * [TypeScript](#typescript)
-  * [Angular](#angular)
+    * [Angular](#angular)
 
 
 ### 0 - Meta-Listas

books/free-programming-books-et.md

@@ -5,8 +5,8 @@
 * [C#](#csharp)
 * [Java](#java)
 * [JavaScript](#javascript)
-  * [AngularJS](#angularjs)
-  * [Vue](#vue)
+    * [AngularJS](#angularjs)
+    * [Vue](#vue)
 * [PHP](#php)
 * [Python](#python)
 * [R](#r)

books/free-programming-books-fa_IR.md

@@ -8,9 +8,9 @@
 * [LaTeX](#latex)
 * [Linux](#linux)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [R](#r)
 
 
@@ -83,4 +83,3 @@
 * [تحلیل شبکه‌های اجتماعی در R](http://cran.r-project.org/doc/contrib/Raeesi-SNA_in_R_in_Farsi.pdf) (PDF)
 * [راهنمای زبان R](http://cran.r-project.org/doc/contrib/Mousavi-R-lang_in_Farsi.pdf) (PDF)
 * [موضعات ویژه در R](http://cran.r-project.org/doc/contrib/Mousavi-R_topics_in_Farsi.pdf) (PDF)
-

books/free-programming-books-fr.md

@@ -2,11 +2,11 @@
 
 * [0 - Méta-listes](#0---méta-listes)
 * [1 - Non dépendant du langage](#1---non-dépendant-du-langage)
-  * [Algorithmique](#algorithmique)
-  * [Logiciels libres](#logiciels-libres)
-  * [Makefile](#makefile)
-  * [Pédagogie pour enfants et adolescents](#pédagogie-pour-enfants-et-adolescents)
-  * [Théorie des langages](#théorie-des-langages)
+    * [Algorithmique](#algorithmique)
+    * [Logiciels libres](#logiciels-libres)
+    * [Makefile](#makefile)
+    * [Pédagogie pour enfants et adolescents](#pédagogie-pour-enfants-et-adolescents)
+    * [Théorie des langages](#théorie-des-langages)
 * [Ada](#ada)
 * [Assembleur](#assembleur)
 * [Bash / Shell](#bash--shell)
@@ -22,21 +22,21 @@
 * [JavaScript](#javascript)
 * [jQuery](#jquery)
 * [(La)TeX et associés](#latex-et-associés)
-  * [Asymptote](#asymptote)
-  * [LaTeX](#latex)
-  * [Metapost](#metapost)
-  * [PGF/TikZ](#pgftikz)
-  * [TeX](#tex)
+    * [Asymptote](#asymptote)
+    * [LaTeX](#latex)
+    * [Metapost](#metapost)
+    * [PGF/TikZ](#pgftikz)
+    * [TeX](#tex)
 * [Lisp](#lisp)
 * [Lua](#lua)
 * [Mathématiques](#math%C3%A9matiques)
 * [Meteor](#meteor)
 * [Perl](#perl)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Processing](#processing)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [R](#r)
 * [Ruby](#ruby)
 * [Rust](#rust)
@@ -122,8 +122,8 @@
 
 ### Chaîne de blocs / Blockchain
 
-* [Maîtriser Bitcoin: Programmer la chaîne de blocs publique](https://bitcoin.maitriser.ca) - Andreas M. Antonopoulos, Serafim Dos Santos (asciidoc, html)
-* [Maîtriser Ethereum: Développer des contrats intelligents et des DApps](https://ethereum.maitriser.ca) - Andreas M. Antonopoulos, Dr. Gavin Wood, Serafim Dos Santos (asciidoc, html)
+* [Maîtriser Bitcoin: Programmer la chaîne de blocs publique](https://bitcoin.maitriser.ca) - Andreas M. Antonopoulos, Serafim Dos Santos (asciidoc, HTML)
+* [Maîtriser Ethereum: Développer des contrats intelligents et des DApps](https://ethereum.maitriser.ca) - Andreas M. Antonopoulos, Dr. Gavin Wood, Serafim Dos Santos (asciidoc, HTML)
 
 
 ### Coq
@@ -135,9 +135,9 @@
 
 * [IDRIS adaptation of the Fortran 77 manual](http://www.idris.fr/formations/fortran/fortran-77.html) - IDRIS, Hervé Delouis, Patrick Corde (HTML)
 * [IDRIS Formations Fortran: documentation](http://www.idris.fr/formations/fortran/) (HTML)
-  * [Fortran_Avancé : "Fortran : apports des normes 90 et 95 avec quelques aspects de la norme 2003" (2ème niveau)](http://www.idris.fr/media/formations/fortran/idris_fortran_avance_cours.pdf) - Patrick Corde, Hervé Delouis (PDF) ([:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_avance_tp.tar.gz))
-  * [Fortran_Base : "Fortran : notions de base" (1er niveau)](http://www.idris.fr/media/formations/fortran/idris_fortran_base_cours.pdf) - Anne Fouilloux, Patrick Corde (PDF) ([:package: examples du support](http://www.idris.fr/media/formations/fortran/idris_fortran_base_exemples.tar.gz), [:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_base_tp.tar.gz))
-  * [Fortran_Expert : "Fortran : apports de la norme 2003 avec quelques aspects de la norme 2008"](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_cours.pdf) - Patrick Corde, Hervé Delouis (PDF) ([:package: examples du support](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_exemples.tar.gz), [:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_tp.tar.gz))
+    * [Fortran_Avancé : "Fortran : apports des normes 90 et 95 avec quelques aspects de la norme 2003" (2ème niveau)](http://www.idris.fr/media/formations/fortran/idris_fortran_avance_cours.pdf) - Patrick Corde, Hervé Delouis (PDF) ([:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_avance_tp.tar.gz))
+    * [Fortran_Base : "Fortran : notions de base" (1er niveau)](http://www.idris.fr/media/formations/fortran/idris_fortran_base_cours.pdf) - Anne Fouilloux, Patrick Corde (PDF) ([:package: examples du support](http://www.idris.fr/media/formations/fortran/idris_fortran_base_exemples.tar.gz), [:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_base_tp.tar.gz))
+    * [Fortran_Expert : "Fortran : apports de la norme 2003 avec quelques aspects de la norme 2008"](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_cours.pdf) - Patrick Corde, Hervé Delouis (PDF) ([:package: examples du support](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_exemples.tar.gz), [:package: travaux pratiques](http://www.idris.fr/media/formations/fortran/idris_fortran_expert_tp.tar.gz))
 
 
 ### Git

books/free-programming-books-he.md

@@ -1,8 +1,8 @@
 ### Index
 
 * [ללא תלות בשפה](#ללא-תלות-בשפה)
-  * [מערכות הפעלה](#מערכות-הפעלה)
-  * [רשתות](#רשתות)
+    * [מערכות הפעלה](#מערכות-הפעלה)
+    * [רשתות](#רשתות)
 * [Assembly](#assembly)
 * [C#](#csharp)
 * [Java](#java)

books/free-programming-books-hu.md

@@ -13,7 +13,7 @@
 * [PHP](#php)
 * [PowerShell](#powershell)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [Windows Phone](#windows-phone)
 
 

books/free-programming-books-id.md

@@ -21,8 +21,8 @@
 * [React](#react)
 * [Solidity](#solidity)
 * [TypeScript](#typescript)
-  * [Angular](#angular)
-  * [Deno](#deno)
+    * [Angular](#angular)
+    * [Deno](#deno)
 * [Vue](#vue)
 
 

books/free-programming-books-it.md

@@ -1,40 +1,40 @@
 ### Index
 
 * [0 - Agnostico](#0---agnostico)
-  * [Algoritmi e Strutture Dati](#algoritmi-e-strutture-dati)
-  * [Metodologie di sviluppo del software](#metodologie-di-sviluppo-del-software)
-  * [Open source](#open-source)
-  * [Sistemi](#sistemi)
-  * [Sistemi di controllo versione](#sistemi-di-controllo-versione)
-  * [Storia dell'informatica](#storia-dellinformatica)
+    * [Algoritmi e Strutture Dati](#algoritmi-e-strutture-dati)
+    * [Metodologie di sviluppo del software](#metodologie-di-sviluppo-del-software)
+    * [Open source](#open-source)
+    * [Sistemi](#sistemi)
+    * [Sistemi di controllo versione](#sistemi-di-controllo-versione)
+    * [Storia dell'informatica](#storia-dellinformatica)
 * [Android](#android)
 * [Assembly Language](#assembly-language)
 * [BASH](#bash)
 * [C](#c)
 * [C#](#csharp)
 * [C++](#cpp)
 * [Database](#database)
-  * [NoSQL](#nosql)
-  * [Relazionali](#relazionali)
-  * [SQL](#sql)
+    * [NoSQL](#nosql)
+    * [Relazionali](#relazionali)
+    * [SQL](#sql)
 * [Git](#git)
 * [Golang](#golang)
 * [HTML and CSS](#html-and-css)
 * [Java](#java)
 * [JavaScript](#javascript)
-  * [AngularJS](#angularjs)
+    * [AngularJS](#angularjs)
 * [Kotlin](#kotlin)
 * [LaTeX](#latex)
 * [Linux](#linux)
 * [Livecode](#livecode)
 * [Perl](#perl)
 * [PHP](#php)
-  * [Symfony](#symfony)
+    * [Symfony](#symfony)
 * [Python](#python)
-  * [Django](#django)
+    * [Django](#django)
 * [Ruby](#ruby)
 * [TypeScript](#typescript)
-  * [Angular](#angular)
+    * [Angular](#angular)
 * [UML](#uml)
 * [Visual Basic](#visual-basic)
 
@@ -165,7 +165,7 @@
 * [Appendici del manuale di Java 9](https://www.hoepli.it/editore/hoepli_file/download_pub/978-88-203-8302-2_Java9-Appendici.pdf) - C. De Sio Cesari (PDF)
 * [Esercitazioni di Spring Boot](https://www.emmecilab.net/blog/esercitazioni-di-spring-boot-0-come-impostare-un-progetto/) - M. Cicolella (HTML)
 * [Esercizi del manuale di Java 9](https://www.hoepli.it/editore/hoepli_file/download_pub/978-88-203-8302-2_java9-esercizi.pdf) - C. De Sio Cesari (PDF)
-* [Esercizi di Java Avanzato](http://wpage.unina.it/m.faella/Didattica/LpII/archivio.pdf) - M. Faella  (PDF)
+* [Esercizi di Java Avanzato](http://wpage.unina.it/m.faella/Didattica/LpII/archivio.pdf) - M. Faella (PDF)
 * [Fondamenti di informatica - Java - Eserciziario](http://www.dei.unipd.it/~filira/fi/etc/eserciziario.pdf) (PDF)
 * [Guida a Java 8](http://twiki.di.uniroma1.it/pub/Metod_prog/RS_INFO/lezioni.html)
 * [Guida Java](http://www.html.it/guide/guida-java/?cref=development) (HTML)
@@ -178,10 +178,10 @@
 
 ### JavaScript
 
-* [Corso completo Javascript](https://www.grimaldi.napoli.it/pdf/manuale_unite_224_2_html_1000213680.pdf) - [HTML.it](http://www.html.it) _Anno di pubblicazione_ 2005 (PDF)
+* [Corso completo JavaScript](https://www.grimaldi.napoli.it/pdf/manuale_unite_224_2_html_1000213680.pdf) - [HTML.it](http://www.html.it) _Anno di pubblicazione_ 2005 (PDF)
 * [Guida Completa sviluppo lato Client](http://www.aiutamici.com/PortalWeb/eBook/ebook/Alessandro_Stella-Programmare_per_il_web.pdf) (PDF) (Includo anche Jquery)
 * [Guida di riferimento](http://lia.deis.unibo.it/Courses/TecnologieWeb0809/materiale/laboratorio/guide/JScriptRef_Ita.pdf) (PDF)
-* [Guida Javascript](https://www.html.it/guide/guida-javascript-di-base/) - Andrea Chiarelli, Davide Brognoli, Alberto Bottarini, Ilario Valdelli (HTML)
+* [Guida JavaScript](https://www.html.it/guide/guida-javascript-di-base/) - Andrea Chiarelli, Davide Brognoli, Alberto Bottarini, Ilario Valdelli (HTML)
 
 
 #### AngularJS