Approval in backend

backend/ru/action.json

@@ -111,6 +111,8 @@
         "linked_to_objects": "Linked to objects",
         "linked_to_loans": "Linked to loans",
         "linked_to_literature": "Linked to literature",
-        "contact_input": "Add a new contact"
+        "contact_input": "Add a new contact",
+        "loan_input": "Add a new loan",
+        "exhibition_input": "Add a new exhibition"
     }
 }