feat: Translate frontend/src/i18n/en.json in fa

85% of minimum 50% translated source file: 'frontend/src/i18n/en.json'
on 'fa'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

frontend/src/i18n/fa.json

@@ -225,7 +225,7 @@
     "themes": {
       "default": "تنظیمات پیش فرض سیستم",
       "dark": "تاریک ",
-      "light": "Light",
+      "light": "روشن",
       "title": "Theme"
     },
     "user": "User",