Approval in backend

backend/hu/data_history.json

@@ -94,6 +94,7 @@
         "link_time": "Id\u0151beli vonatkzo\u00e1s hozz\u00e1adva",
         "categorization": "Kategoriz\u00e1l\u00e1s",
         "measurement": "R\u00e9szletes m\u00e9ret meghat\u00e1roz\u00e1s",
-        "open_versioning": "Verzi\u00f3kezel\u00e9s"
+        "open_versioning": "Verzi\u00f3kezel\u00e9s",
+        "number": "Number"
     }
 }