Sets up GitHub Actions CI/CD workflows for Astro sites — `astro check` (TypeScript + content schema), ESLint, Prettier, build verification, Vitest testing, Lighthouse CI, link checking, npm audit, and automated deployment to GitHub Pages, Cloudflare Pages, Netlify, or Vercel. ALWAYS use this skill w
Sets up GitHub Actions CI/CD workflows for Astro sites — `astro check` (TypeScript + content schema), ESLint, Prettier, build verification, Vitest testing, Lighthouse CI, link checking, npm audit, and automated deployment to GitHub Pages, Cloudflare Pages, Netlify, or Vercel. ALWAYS use this skill when a user wants to create, add, set up, or configure GitHub Actions, CI/CD, automated checks, or de