content: import React from 'react';
  import { render } from 'react-dom';
  import { AppContainer } from 'react-hot-loader';
  
  import App from './App';
  
  render(
    <AppContainer>
      <App />
    </AppContainer>,
    document.getElementById('root')
  );
  
  if (module.hot) {
    module.hot.accept('./App', () => {
      const NextApp = require('./App').default;
      
      render(
        <AppContainer>
          <NextApp />
        </AppContainer>,
        document.getElementById('root')
      );
    });
  }
  