adding context file

Author: aahill

articles/ai-services/agents/context/context.yml

@@ -0,0 +1,4 @@
+### YamlMime: ContextObject
+brand: azure
+breadcrumb_path: ../breadcrumb/toc.yml
+toc_rel: ../toc.yml

articles/ai-services/agents/toc.yml

@@ -44,6 +44,8 @@ items:
           href: how-to/tools/agent-logic-apps.md
         - name: Code interpreter
           href: how-to/tools/code-interpreter.md
+    - name: Content filtering
+      href: ../openai/how-to/content-filters?context=/azure/ai-services/agents/context/context
 - name: Responsible AI
   items:
     - name: Overview