old_contents: import 'babel-polyfill'
  
  import App from './components/App'
  import AppHomeRoute from './routes/AppHomeRoute'
  import React from 'react'
  import ReactDOM from 'react-dom'
  import Relay from 'react-relay'
  
  ReactDOM.render(
    <Relay.RootContainer
      Component={App}
      route={new AppHomeRoute()}
    />,
    document.getElementById('root')
  )
  
new_contents: import React from 'react'
  import Relay from 'react-relay'
  import ReactDOM from 'react-dom'
  
  let HelloApp = ({ greetings }) =>
    <h1>{ greetings.hello }</h1>
  
  HelloApp = Relay.createContainer(HelloApp, {
    fragments: {
      greetings: () => Relay.QL`
        fragment on Greetings {
          hello,
        }
      `
    }
  })
  
  class HelloRoute extends Relay.Route {
    static routeName = 'Hello'
    static queries = {
      greetings: Component => Relay.QL`
        query GreetingsQuery {
          greetings {
            ${Component.getFragment('greetings')}
          }
        }
      `
    }
  }
  
  ReactDOM.render(
    <Relay.RootContainer Component={HelloApp} route={new HelloRoute()}/>,
    document.getElementById('root')
  )
  
  // import 'babel-polyfill'
  //
  // import App from './components/App'
  // import AppHomeRoute from './routes/AppHomeRoute'
  // import React from 'react'
  // import ReactDOM from 'react-dom'
  // import Relay from 'react-relay'
  //
  // ReactDOM.render(
  //   <Relay.RootContainer
  //     Component={App}
  //     route={new AppHomeRoute()}
  //   />,
  //   document.getElementById('root')
  // )
  
subject: add app