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

78% 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

@@ -225,7 +225,7 @@
     "setDateFormat": "Odredi točan format datuma",
     "settingsUpdated": "Postavke ažurirane!",
     "shareDuration": "Podijeli Trajanje",
-    "shareManagement": "Share Management",
+    "shareManagement": "Upravljanje Dijeljenjem",
     "shareDeleted": "Share deleted!",
     "singleClick": "Use single clicks to open files and directories",
     "themes": {