Ensure pre-commit hook runs

Author: H-Huang

CONTRIBUTING.md

@@ -10,6 +10,8 @@ pip install -r requirements-dev.txt
 ### Pull Requests
 We actively welcome your pull requests.
 
+What CI gets triggered on .md files??
+
 1. Fork the repo and create your branch from `main`.
 2. If you've added code that should be tested, add tests.
 3. If you've changed APIs, update the documentation.