feat: Translate en.json in fa [Manual Sync]

99% of minimum 50% translated source file: '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

@@ -42,7 +42,8 @@
     "update": "به روز سانی",
     "upload": "آپلود",
     "openFile": "باز کردن فایل",
-    "discardChanges": "لغو کردن"
+  "discardChanges": "لغو کردن",
+  "saveChanges": "Save changes"
   },
   "download": {
     "downloadFile": "دانلود فایل",