Updated the language codes

Author: abhi18av

docs/CLI_User_Documentation.md

@@ -39,13 +39,15 @@ And that's it - you're all set to localize!
 
 ### Language codes used in Devnagri 
 ```
-English     -       en
-Hindi       -       hi
-Punjabi     -       pa
-Marathi     -       mr
-Tamil       -       ta
-Malayalam   -       ml 
-Telugu      -       te
+Hindi   - हिंदी         => "hi",
+Punjabi - ਪੰਜਾਬੀ        => "pa",
+Tamil - தமிழ்           => "ta",
+Gujarati - ગુજરાતી      => "gu"
+Kannada - ಕನ್ನಡ         => "kn",
+Bengali - বাংলা        => "bn",
+Marathi - मराठी         => "mr",
+Telugu - తెలుగు        => "te",
+English               => "en"
 ```