Update TOC.yml

Author: ProfessorKendrick

articles/api-management/TOC.yml

@@ -709,6 +709,8 @@
     href: https://azure.microsoft.com/mediahandler/files/resourcefiles/api-design/Azure_API-Design_Guide_eBook.pdf?toc=%2Fazure%2Fapi-management%2Ftoc.json&bc=/azure/api-management/breadcrumb/toc.json
   - name: API security strategy ebook
     href: https://aka.ms/API-Security-EBook
+  - name: Web API implementation
+    href: /azure/architecture/best-practices/api-implementation?toc=%2Fazure%2Fapi-management%2Ftoc.json&bc=/azure/api-management/breadcrumb/toc.json
   - name: Community
     href: https://aka.ms/apimlove
   - name: FAQ