add translators to codeowners with their respective translation files

CODEOWNERS

 *       @AUTOMATIC1111
-
-/localizations/ko_KR.json   @36DB
\ No newline at end of file
+/localizations/ar_AR.json   @xmodar @blackneoo
+/localizations/de_DE.json   @LunixWasTaken
+/localizations/es_ES.json   @innovaciones
+/localizations/fr_FR.json   @tumbly
+/localizations/it_IT.json   @EugenioBuffo
+/localizations/ja_JP.json   @yuuki76
+/localizations/ko_KR.json   @36DB
+/localizations/pt_BR.json   @M-art-ucci
+/localizations/ru_RU.json   @kabachuha
+/localizations/tr_TR.json   @camenduru
+/localizations/zh_CN.json   @dtlnor @bgluminous
+/localizations/zh_TW.json   @benlisquare