Update toc.yml

Author: cynthn

articles/virtual-machines/windows/toc.yml

@@ -334,6 +334,8 @@
     href: ../../azure-monitor/insights/monitor-vm-azure.md?toc=/azure/virtual-machines/windows/toc.json&bc=/azure/virtual-machines/windows/breadcrumb/toc.json
   - name: Backup and recovery
     href: backup-recovery.md
+  - name: Resource Manager templates
+    href: template-description.md
   - name: Cloud adoption framework
     href: https://docs.microsoft.com/en-us/azure/cloud-adoption-framework/get-started/?toc=/azure/virtual-machines/windows/toc.json&bc=/azure/virtual-machines/windows/breadcrumb/toc.json
   - name: Architecture center