Merge pull request #301545 from kenieva/patch-4

add arm template example reference

Author: AnnaMHuff

articles/governance/service-groups/toc.yml

@@ -12,6 +12,10 @@
     href: create-service-group-member-rest-api.md
   - name: How to use Service Groups to manage resources
     href: manage-service-groups.md
+- name: Reference
+  items:
+  - name: Resource Manager templates
+    href: /azure/templates/microsoft.management/servicegroups
   expanded: true