Approval in backend

backend/hu/basis.json

@@ -301,6 +301,7 @@
         "skip": "Kihagy",
         "all": "\u00d6sszes",
         "content": "Content",
-        "unit": "Unit"
+        "unit": "Unit",
+        "versioning": "Versioning"
     }
 }

backend/hu/data_history.json

@@ -93,6 +93,7 @@
         "link_place": "Linked a place",
         "link_time": "Linked a time",
         "categorization": "Categorization",
-        "measurement": "Measurement"
+        "measurement": "Measurement",
+        "open_versioning": "Open versioning"
     }
 }