Add translation variable for "title" to loans

backend/ar/loans.json

@@ -49,6 +49,7 @@
         "loans_list_empty_text": "No loan entry has been added for your museum yet (hence, we cannot list any). You may:",
         "loan_obj_remark_explica": "Note about the specific circumstances of the object as part of the loan.",
         "select_loan_entry_explica": "Select the loan entry you want to link the object with from the list. If the loan entry has not been added before, you can add it by clicking on the \"+\" symbol.",
-        "partner_person": "Contact person"
+        "partner_person": "Contact person",
+        "title": "Title"
     }
 }