Added TOC entry to Windows Server

Author: v-tappelgate

support/windows-server/toc.yml

@@ -3142,6 +3142,10 @@ items:
     items:
     - name: 'Troubleshooting guidance: Windows LAPS'
       href: ./windows-security/windows-laps-troubleshooting-guidance.md
+  - name: Zero Trust DNS
+    items:
+    - name: 'Troubleshooting Guidance: Zero Trust DNS'
+      href: ../../windows-client/windows-security/troubleshoot-zero-trust-dns-guidance.md?context=/troubleshoot/windows-server/context/context
 - name: Windows Servicing, Updates and Features on Demand
   items:
   - name: Windows Servicing, Updates and Features on Demand