Approval in backend

backend/hi/data_history.json

@@ -95,6 +95,7 @@
         "categorization": "Categorization",
         "measurement": "Measurement",
         "open_versioning": "Open versioning",
-        "number": "Number"
+        "number": "Number",
+        "querying_data_history": "Querying data history"
     }
 }