Add redirection

Author: avanigupta

.openpublishing.publish.config.json

@@ -994,6 +994,7 @@
   ".openpublishing.redirection.app-service.json",
   ".openpublishing.redirection.azure-arc-data.json",
   ".openpublishing.redirection.azure-attestation.json",
+  ".openpublishing.redirection.azure-app-configuration.json",
   ".openpublishing.redirection.azure-australia.json",
   ".openpublishing.redirection.azure-databricks.json",
   ".openpublishing.redirection.azure-hpc.json",

.openpublishing.redirection.azure-app-configuration.json

@@ -0,0 +1,9 @@
+{
+  "redirections": [
+    {
+      "source_path_from_root": "/articles/azure-app-configuration/howto-backup-config-store.md",
+      "redirect_url": "/articles/azure-app-configuration/concept-geo-replication.md",
+      "redirect_document_id": false
+    }
+  ]
+}