text: import React from 'react'
  import ReactDOM from 'react-dom'
  import './index.css'
  import App from './App'
  import { UserProvider } from './contexts/UserContext'
  import { MuiPickersUtilsProvider } from '@material-ui/pickers'
  import MomentUtils from '@date-io/moment'
  import moment from "moment"
  import 'moment/locale/pl'
  
  moment.locale('pl')
  
  ReactDOM.render(<MuiPickersUtilsProvider utils={MomentUtils} locale="pl"><UserProvider><App /></UserProvider></MuiPickersUtilsProvider>, document.getElementById('root'))
  