text: import React from 'react';
  import ReactDOM from 'react-dom';
  // import './index.css';
  // import App from './App.js';
  
  import App from './App';
  
  class Main extends React.Component {
    render() {
      return (
        <React.StrictMode>
          <App />
        </React.StrictMode>
      );
    }
  }
  ReactDOM.render(<Main />, document.getElementById('root'));