[FEATURE] Update of the language packs for the tinymce

Contrib/tinymce/langs/ar.js

Contrib/tinymce/langs/bg_BG.js

Contrib/tinymce/langs/ca.js

Contrib/tinymce/langs/cs_CZ.js

Contrib/tinymce/langs/da.js

Contrib/tinymce/langs/eo.js

Contrib/tinymce/langs/et.js

Contrib/tinymce/langs/ga.js

Contrib/tinymce/langs/hr.js

Contrib/tinymce/langs/id.js

Contrib/tinymce/langs/ja.js

Contrib/tinymce/langs/kab.js

Contrib/tinymce/langs/ko.js

Contrib/tinymce/langs/pl.js

Contrib/tinymce/langs/pt_PT.js

Contrib/tinymce/langs/readme.md

Contrib/tinymce/langs/zh_TW.js