v4.0, publish the typescript version to npm

.npmignore

@@ -1,3 +1,3 @@
-.nyc_output
 package-lock.json
+node_modules
 .idea

package.json

@@ -1,36 +1,19 @@
 {
   "name": "morse-decoder",
-  "version": "3.0.1",
-  "description": "Morse code translator, Morse encoder and decoder which can also generate audio.",
+  "version": "4.0.0",
+  "description": "Morse code translator and decoder, which can also play audio.",
   "keywords": [
     "morse",
-    "morsify",
     "morse alphabet",
-    "morse audio",
-    "morse characters",
     "morse code",
     "morse decoder",
     "morse encoder",
     "morse translator",
-    "morse code translator",
-    "samuel morse",
-    "codigo morse",
-    "codice morse",
-    "морзе",
-    "азбука морзе",
-    "mors kodu",
-    "mors alfabesi",
-    "kod morse'a",
-    "모스 부호",
-    "モールス信号",
-    "摩爾斯電碼",
-    "รหัสมอร์ส",
-    "קוד מורס",
-    "شفرة مورس"
+    "morse code translator"
   ],
   "license": "MIT",
-  "homepage": "https://github.com/ozdemirburak/morse-decoder",
-  "author": "Burak Özdemir (https://ozdemirburak.com)",
+  "homepage": "https://morsedecoder.com",
+  "author": "Burak Özdemir",
   "repository": {
     "type": "git",
     "url": "https://github.com/ozdemirburak/morse-decoder.git"