Review documentations PR for CI/CD Pipeline

## Overview
This issue is to review the CI/CD pipeline documentation for our onboarding automation system, which uses Google Apps Script (GAS) to manage volunteer onboarding/offboarding. This review will ensure our CI/CD pipeline documentation is clear and accurate, helping the team deploy scripts reliably using `clasp` and GitHub Actions.

## Action Items
- [ ] **Review and comment on CI/CD PR (will be up by Sunday):
- Check for clarity, readability, and completeness (e.g., does it clearly explain `clasp` setup, GitHub Actions workflow, and deployment steps?).
- Verify commands (e.g., `clasp push --force config.gs ...`) and links (e.g., to `CONTRIBUTING.md`, clasp documentation).
- Suggest improvements for technical accuracy, such as missing steps, unclear instructions, or additional troubleshooting tips.
- [ ] **Provide feedback** in PR