Approval in backend

backend/zh/spaces.json

@@ -18,6 +18,7 @@
         "no_sensor_data": "Failed to locate any sensor data for this space",
         "get_url_for_logging": "Get URL for logging",
         "object_addendum_space_explica": "Select a space from the list. To add a new space press the \"+\" button. To see a log of the objects previous whereabouts right click on the selection field..",
-        "set_current_space_as_subordinate": "Set the current space as subordinate to the selected one?"
+        "set_current_space_as_subordinate": "Set the current space as subordinate to the selected one?",
+        "sensor_data": "Sensor data"
     }
 }