Add CDNJS badge in readme, cc #992

README.md

@@ -1,6 +1,7 @@
 # JS Beautifier
 [![Build Status](https://img.shields.io/travis/beautify-web/js-beautify/master.svg)](http://travis-ci.org/beautify-web/js-beautify)
 [![Build status](https://ci.appveyor.com/api/projects/status/5bxmpvew5n3e58te/branch/master?svg=true)](https://ci.appveyor.com/project/beautify-web/js-beautify/branch/master)
+[![CDNJS version](https://img.shields.io/cdnjs/v/js-beautify.svg)](https://cdnjs.com/libraries/js-beautify)
 [![NPM version](https://img.shields.io/npm/v/js-beautify.svg)](https://www.npmjs.com/package/js-beautify)
 [![Download stats](https://img.shields.io/npm/dm/js-beautify.svg)](https://www.npmjs.com/package/js-beautify)
 [![Join the chat at https://gitter.im/beautify-web/js-beautify](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/beautify-web/js-beautify?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)