toc update

Author: dlepow

articles/api-center/TOC.yml

@@ -20,6 +20,10 @@
             href: set-up-api-center.md
           - name: Create an API center - CLI
             href: set-up-api-center-azure-cli.md
+          - name: Create an API center - Bicep
+            href: set-up-api-center-bicep.md
+          - name: Create an API center - ARM template
+            href: set-up-api-center-arm-template.md
     - name: Tutorials
       items:
           - name: 1 - Define custom metadata