Approval in backend

backend/en/basis.json

@@ -288,6 +288,7 @@
         "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",
-        "tree_view": "Tree view"
+        "tree_view": "Tree view",
+        "hierarchy": "Hierarchy"
     }
 }