Add a dedicated GitHub Actions workflow for the Next.js web frontend
that runs on changes to the web/ directory:
- ESLint checks via 'npm run lint'
- TypeScript type checking via 'tsc --noEmit'
- Runs on push to main and PRs targeting main
- Uses npm cache for faster dependency installation
Co-authored-by: Hu Qiantao <huqiantao@HudeMacBook-Air.local>
HUQIANTAO