add force deletion command

Author: JnHs

articles/azure-arc/kubernetes/quickstart-connect-cluster.md

@@ -412,6 +412,14 @@ You can delete the Azure Arc-enabled Kubernetes resource, any associated configu
 az connectedk8s delete --name AzureArcTest1 --resource-group AzureArcTest
 ```
 
+In some cases, the deletion process may not complete. If this happens, use the following command to force deletion (to bypass the confirmation prompt, add '-y'):
+
+```azurecli
+az connectedk8s delete -g <> -n <> --force
+```
+
+If you experience issues when creating a new cluster deployment, running this command may help resolve the problem by completely removing any previously-created resources.
+
 >[!NOTE]
 > Deleting the Azure Arc-enabled Kubernetes resource using the Azure portal removes any associated configuration resources, but *does not* remove any agents running on the cluster. Best practice is to delete the Azure Arc-enabled Kubernetes resource using `az connectedk8s delete` rather than deleting the resource in the Azure portal.