Approval in backend

backend/cs/data_history.json

@@ -99,6 +99,7 @@
         "querying_data_history": "Querying data history",
         "phone_number": "Phone number",
         "regular_space": "Regular location",
-        "acquisition": "Acquisition"
+        "acquisition": "Acquisition",
+        "webdav_gen_access_data": "Generate WebDAV access data"
     }
 }