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

95% 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

@@ -256,7 +256,7 @@
     "linkCopied": "لینک کپی شد!"
   },
   "time": {
-    "days": "Days",
+    "days": "روزها",
     "hours": "Hours",
     "minutes": "Minutes",
     "seconds": "Seconds",