Foundry Local link on hub page

Author: eric-urban

articles/ai-foundry/index.yml

@@ -148,6 +148,8 @@ additionalContent:
               url: https://ai.azure.com/
             - text: Azure AI Foundry SDKs
               url: ./how-to/develop/sdk-overview.md
+            - text: Foundry Local
+              url: ./foundry-local/index.yml
             - text: Azure AI Foundry labs
               url: https://ai.azure.com/labs
             - text: GitHub Models