Merge pull request #165396 from dlepow/apimeg

[APIM] ToC update

Author: Court72

articles/api-management/TOC.yml

@@ -340,6 +340,8 @@
         href: ./policy-reference.md
       - name: Resource log schema
         href: gateway-log-schema-reference.md
+      - name: Event Grid schema
+        href: ../event-grid/event-schema-api-management.md?toc=/azure/api-management/toc.json&bc=/azure/api-management/breadcrumb/toc.json  
 - name: Resources
   items:
       - name: FAQ