Update README with Azure login instructions

Added usage instructions for Azure login in README.

Author: brown9804

6_monitoring-management/monitor/README.md

@@ -11,6 +11,8 @@ Last updated: 2026-02-16
 
 > This template contains Terraform configurations to create an Azure Monitor Action Group (email receiver).
 
+<img width="650" alt="image" src="https://github.com/user-attachments/assets/bfe6ba09-df37-4e5a-b8a5-403f4e8d5205" />
+
 ## Usage
 
 ```sh