Approval in backend

backend/hu/data_history.json

@@ -88,6 +88,7 @@
         "shipment": "Shipment",
         "visibility (addendum)": "Visibility (specific to field)",
         "museum": "Link with a museum",
-        "publication": "Publik\u00e1ci\u00f3"
+        "publication": "Publik\u00e1ci\u00f3",
+        "document": "Document"
     }
 }