Add translation string for themtor backend

themator/ar/backend.json

@@ -195,6 +195,7 @@
         "display_topic_startpage": "Display topic on startpage",
         "hide_topic_startpage": "Hide topic on startpage",
         "startpage_normal": "normal",
-        "startpage_scrollitelling": "Scrollitelling"
+        "startpage_scrollitelling": "Scrollitelling",
+        "enable_direct_object_links": "Link objects directly in md"
     }
 }