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

91% 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

@@ -1,7 +1,7 @@
 {
   "buttons": {
     "cancel": "Otkaži",
-    "clear": "Clear",
+    "clear": "Očisti",
     "close": "Zatvori",
     "continue": "Nastavi",
     "copy": "Kopiraj",