content: import React from 'react';
  import * as THREE from 'three';
  import ReactDOM from 'react-dom';
  import RenderDevice from './render/RenderDevice';
  import registerServiceWorker from '../registerServiceWorker';
  
  const App = () => (
      <RenderDevice>
      </RenderDevice>
  );
  
  export default () => {
      ReactDOM.render(<App />, document.getElementById('root'));
      registerServiceWorker();
  };
  