Added advertising info extension

docs/en/en.json

@@ -614,6 +614,10 @@
             {
                 "name": "EXTENSIONS",
                 "items": [
+                    {
+                        "path": "/extension-adinfo",
+                        "name": "Advertising Info"
+                    },
                     {
                         "path": "/extension-facebook",
                         "name": "Facebook"