content: import React, { Component } from 'react';
  import Button from 'react-toolbox/lib/button';
  import style from './style/style.scss';
  import Header from './components/header';
  import AsyncApp from './containers/AsyncApp'
  
  export default class App extends Component {
    render() {
      return (
      <div>
        <Header />
        <AsyncApp />
      </div>
      );
    }
  }
  