text: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './App';
  import {BrowserRouter as Router} from 'react-router-dom'
  import {MuiPickersUtilsProvider} from '@material-ui/pickers';
  import DateFnsUtils from '@date-io/date-fns';
  import * as serviceWorker from './serviceWorker';
  
  ReactDOM.render(
      <Router>
          <MuiPickersUtilsProvider utils={DateFnsUtils}>
              <App/>
          </MuiPickersUtilsProvider>
      </Router>,
  
      document.getElementById('root')
  );
  
  serviceWorker.unregister();