added badge uid to index.yml

Author: ChrisHowd

learn-pr/wwl-azure/develop-ai-enabled-apps-using-github-copilot-sdk/index.yml

@@ -40,4 +40,6 @@ units:
 - learn.wwl.develop-ai-enabled-apps-using-github-copilot-sdk.adapt-extend-ai-agents
 - learn.wwl.develop-ai-enabled-apps-using-github-copilot-sdk.exercise-integrate-ai-agent-github-copilot-sdk
 - learn.wwl.develop-ai-enabled-apps-using-github-copilot-sdk.knowledge-check
-- learn.wwl.develop-ai-enabled-apps-using-github-copilot-sdk.summary
+- learn.wwl.develop-ai-enabled-apps-using-github-copilot-sdk.summary
+badge:
+  uid: learn.develop-ai-enabled-apps-using-github-copilot-sdk.badge