Merge pull request #268605 from eric-urban/eur/toc-updates

contextual toc for ai services entry

Author: v-dirichards

articles/ai-services/TOC.yml

@@ -31,8 +31,8 @@
     href: cognitive-services-custom-subdomains.md
 - name: How-to
   items:
-  - name: Plan and manage costs 
-    href: plan-manage-costs.md
+  - name: Plan and manage costs
+    href: ../ai-studio/how-to/costs-plan-manage.md?context=/azure/ai-services/context/context
   - name: Increase rate limit
     href: autoscale.md
   - name: Use commitment tier pricing 

articles/ai-services/what-are-ai-services.md

@@ -22,7 +22,7 @@ Azure AI services help developers and organizations rapidly create intelligent,
 > [!TIP]
 > Try Azure AI services including Azure OpenAI, Content Safety, Speech, Vision, and more in [Azure AI Studio](https://ai.azure.com). For more information, see [What is Azure AI Studio?](../ai-studio/what-is-ai-studio.md).
 
-Most Azure AI services are available through REST APIs and client library SDKs in popular development languages. For more information, see each service's documentation.
+Most [Azure AI services](../ai-services/index.yml) are available through REST APIs and client library SDKs in popular development languages. For more information, see each service's documentation.
 
 ## Available Azure AI services