updating toc

Author: aahill

articles/ai-services/openai/toc.yml

@@ -90,11 +90,13 @@ items:
       - name: Code Interpreter
         href: ./how-to/code-interpreter.md
       - name: Function calling
-        href: ./how-to/assistant-functions.md
+        items:
+        - name: Assistants function calling
+          href: ./how-to/assistant-functions.md
+        - name: Function calling with Azure Logic Apps
+          href: ./how-to/assistants-logic-apps.md
       - name: File search
         href: ./how-to/file-search.md
-    - name: Use Logic apps
-      href: ./how-to/assistants-logic-apps.md
   - name: Completions & chat completions
     items:
     - name: GPT-35-Turbo & GPT-4