[AzureADDS] Retire and redirect old doc

Author: iainfoulds

.openpublishing.redirection.json

@@ -47315,6 +47315,11 @@
       "redirect_url": "/azure/active-directory-domain-services/join-windows-vm",
       "redirect_document_id": false
     },
+    {
+      "source_path": "articles/active-directory-domain-services/contact-us.md",
+      "redirect_url": "https://feedback.azure.com/forums/169401-azure-active-directory?category_id=160593",
+      "redirect_document_id": false
+    },
     {
       "source_path": "articles/active-directory-domain-services/active-directory-ds-troubleshooting.md",
       "redirect_url": "/azure/active-directory-domain-services/troubleshoot",