Update Deployment Guide with Log Analytics note

Added note about disabling Log Analytics workspace replication before deleting resources.

Author: Thanusree-Microsoft

docs/DeploymentGuide.md

@@ -209,7 +209,8 @@ Once you've opened the project in [Codespaces](#github-codespaces), [Dev Contain
 
 6. Open the [Azure Portal](https://portal.azure.com/), go to the deployed resource group, find the App Service and get the app URL from `Default domain`.
 
-7. You can now delete the resources by running `azd down`, if you are done trying out the application. 
+7. You can now delete the resources by running `azd down`, if you are done trying out the application.
+   > **Note:** If you deployed with `enableRedundancy=true` and Log Analytics workspace replication is enabled, you must first disable replication before running `azd down` else resource group delete will fail. Follow the steps in [Handling Log Analytics Workspace Deletion with Replication Enabled](./LogAnalyticsReplicationDisable.md), wait until replication returns `false`, then run `azd down`.
 
 ### 🛠️ Troubleshooting
  If you encounter any issues during the deployment process, please refer  [troubleshooting](../docs/TroubleShootingSteps.md) document for detailed steps and solutions