Approval in backend

backend/iw/action.json

@@ -110,6 +110,7 @@
         "acquisition_input": "Add a new acquisition",
         "linked_to_objects": "Linked to objects",
         "linked_to_loans": "Linked to loans",
-        "linked_to_literature": "Linked to literature"
+        "linked_to_literature": "Linked to literature",
+        "contact_input": "Add a new contact"
     }
 }