update

Author: AmandaAZ

support/azure/azure-monitor/toc.yml

@@ -29,6 +29,8 @@ items:
       href: app-insights/telemetry/troubleshoot-high-data-ingestion.md
     - name: Application Insights classic SDK troubleshooting
       items:
+      - name: SDK support guidance
+        href: app-insights/telemetry/sdk-support-guidance.md
       - name: .NET
         href: app-insights/telemetry/asp-net-troubleshoot-no-data.md
       - name: Java 2.x