Approval in backend

backend/id/basis.json

@@ -287,6 +287,7 @@
         "import_data_has_been_uploaded": "Import data has been uploaded",
         "import_delay_notification": "Your import will be processed in the next some hours. You will get a mail containing the processing log once it's done.",
         "general": "General",
-        "regular": "Regular"
+        "regular": "Regular",
+        "tree_view": "Tree view"
     }
 }