index.js

import React from 'react';
import ReactDOM from 'react-dom';
import { HashRouter as Router } from 'react-router-dom';

import { App } from './app.js';

import './index.css';

import * as serviceWorkerRegistration from './serviceWorkerRegistration.js';

ReactDOM.render(
  <React.StrictMode>
    <Router>
      <div id="portrait">
        <App />
      </div>
    </Router>
  </React.StrictMode>,
  document.getElementById('root'),
);

// Learn more about service workers: https://cra.link/PWA
serviceWorkerRegistration.register();