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

62% of minimum 50% translated source file: 'frontend/src/i18n/en.json'
on 'hr'.

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

frontend/src/i18n/hr.json

@@ -22,7 +22,7 @@
     "new": "Novo",
     "next": "Sljedeće",
     "ok": "OK",
-    "permalink": "Get Permanent Link",
+    "permalink": "Dobivanje trajne poveznice",
     "previous": "Prethodno",
     "preview": "Preview",
     "publish": "Objavi",