text: import React from 'react'
  import ReactDOM from 'react-dom'
  import './index.css'
  import App from './App'
  
  ReactDOM.render(<App />, document.getElementById('root'))
  
  function unregister() {
    if ('serviceWorker' in navigator) {
      navigator.serviceWorker.ready.then((registration) => {
        registration.unregister()
      })
    }
  }
  
  unregister()
  