Approval in backend

backend/ru/data_history.json

@@ -94,6 +94,7 @@
         "link_time": "\u041f\u0440\u0438\u0432\u044f\u0437\u043a\u0430 \u043a \u0432\u0440\u0435\u043c\u0435\u043d\u0438",
         "categorization": "\u041a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f",
         "measurement": "\u0418\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f",
-        "open_versioning": "Open versioning"
+        "open_versioning": "Open versioning",
+        "number": "Number"
     }
 }