Approval in backend

backend/te/object_relation.json

@@ -32,6 +32,7 @@
         "switch_museum": "Switch museums",
         "select_a_museum": "Select a museum",
         "links_object_with": "Links the object with",
-        "tag_or_relation": "Keyword or relation"
+        "tag_or_relation": "Keyword or relation",
+        "add_exhibition": "Connect to a exhibition"
     }
-}
+}