Merge pull request #64 from microsoft/ci/deploy-on-overrides

ci: deploy docs when overrides/ changes + add manual trigger

Author: zhmiao

.github/workflows/deploy-docs.yml

@@ -6,8 +6,10 @@ on:
       - main
     paths:
       - 'docs/**'
+      - 'overrides/**'
       - 'mkdocs.yml'
       - 'docs-requirements.txt'
+  workflow_dispatch:
 
 jobs:
   deploy: