Update files: app/.gitkeep, app/root.tsx, app/routes/.gitkeep, app/routes/_index.tsx, app/tailwind.css, app/entry.client.tsx, app/entry.server.tsx, package-lock.json, tsconfig.json, vite.config.ts, tailwind.config.ts, package.json, postcss.config.js, public/.gitkeep, .gitignore, README.md, .eslintrc.cjs