message: inline the css
diff: +const css = require('../src/css')
  +
  module.exports = ({html = '', scripts, title = 'primer-react', static: staticBuild}) =>
  `<!DOCTYPE html>
  <html>
  @@ -5,17 +7,10 @@ module.exports = ({html = '', scripts, title = 'primer-react', static: staticBui
  <title>${title}</title>
  <meta name='viewport' content='width=device-width,initial-scale=1' />
  <meta name='generator' content='Compositor X0' />
  - <link rel='stylesheet' href='https://unpkg.com/primer-buttons/build/build.css' />
  - <link rel='stylesheet' href='https://unpkg.com/primer-forms/build/build.css' />
  - <link rel='stylesheet' href='https://unpkg.com/primer-layout/build/build.css' />
  - <link rel='stylesheet' href='https://unpkg.com/primer-navigation/build/build.css' />
  - <link rel='stylesheet' href='https://unpkg.com/primer-product/build/build.css'/>
  - <link rel='stylesheet' href='https://unpkg.com/primer-tooltips/build/build.css'/>
  - <link rel='stylesheet' href='https://unpkg.com/primer-utilities/build/build.css'/>
  - <link rel='icon' href='https://primer.github.io/favicon.png' />
  - <link rel='apple-touch-icon' href='assets/apple-touch-icon.png' />
  + <link rel='icon' href='/assets/favicon.png' />
  <meta name='og:title' content='Primer React' />
  <meta name='description' content='Primer components built with React.js.' />
  + <style>/*primer-react.css*/${css}</style>
  </head>
  <body>
  <script>
  @@ -27,7 +22,7 @@ module.exports = ({html = '', scripts, title = 'primer-react', static: staticBui
  }
  })()
  </script>
  - <div id=root>${html}</div>
  + <div id="root">${html}</div>
  </body>
  </html>
  ${staticBuild ? '' : scripts}
  