- Install tailwindcss, postcss, autoprefixer, and @tailwindcss/postcss
- Create tailwind.config.js with content paths for all source files
- Create postcss.config.js with Tailwind and Autoprefixer plugins
- Update index.css with Tailwind directives (@tailwind base/components/utilities)
- Update App.tsx to demonstrate Tailwind utility classes
- Verify both build and dev server work correctly
- Update TODO.md to mark task as complete