Improvements and new version: ar.

backend/tl/object.json

@@ -88,7 +88,8 @@
         "object_overview": "Object overview",
         "toggle_navigation": "Toggle navigation",
         "main_image": "Main image",
-        "find_an_expert": "Find an expert"
+        "find_an_expert": "Find an expert",
+        "return_to_list": "Return to overview"
     },
     "objekt": {
         "assign_results": "Assign results",