Replace visitor count with badge and refresh date

Updated visitor count badge and added refresh date.

Author: brown9804

3_networking/firewall/README.md

@@ -56,7 +56,9 @@ terraform apply
 | `firewall_id`       | The ID of the Azure Firewall                |
 | `firewall_public_ip`| The public IP address of the Azure Firewall |
 
+<!-- START BADGE -->
 <div align="center">
-  <h3 style="color: #4CAF50;">Total Visitors</h3>
-  <img src="https://profile-counter.glitch.me/brown9804/count.svg" alt="Visitor Count" style="border: 2px solid #4CAF50; border-radius: 5px; padding: 5px;"/>
+  <img src="https://img.shields.io/badge/Total%20views-1459-limegreen" alt="Total views">
+  <p>Refresh Date: 2025-10-15</p>
 </div>
+<!-- END BADGE -->