Add translations for transcriptions

backend/it/basis.json

@@ -104,6 +104,7 @@
         "image": "Image",
         "menu_items": "Menu Items",
         "backgrounds": "Backgrounds",
-        "transcription": "Transcription"
+        "transcription": "Transcription",
+        "record_language": "Language of record"
     }
 }