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

71% 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

@@ -209,8 +209,8 @@
       "create": "Stvorite datoteke i mape",
       "delete": "Izbrišite datoteke i mape",
       "download": "Preuzmite",
-      "execute": "Execute commands",
-      "modify": "Edit files",
+      "execute": "Izvrši naredbe",
+      "modify": "Uredi datoteke",
       "rename": "Rename or move files and directories",
       "share": "Share files"
     },