Merge pull request #209833 from aimee-littleton/patch-92

update troubleshooting tile

Author: v-stsavell

articles/virtual-network/nat-gateway/index.yml

@@ -78,6 +78,10 @@ landingContent:
         links:
           - text: Troubleshoot NAT gateway
             url: troubleshoot-nat.md
+          - text: Troubleshoot NAT gateway connectivity
+            url: troubleshoot-nat-connectivity.md
+          - text: Troubleshoot NAT gateway connectivity with Azure services
+            url: troubleshoot-nat-and-azure-services.md
 
   # Card (optional)
   - title: Learn about Virtual Network NAT architecture