cra-template-kenny/template/src/index.js

A quick start Create React App template my go to dependencies and configurations

import React from 'react';
import ReactDOM from 'react-dom';
import './index.scss';
import App from './app/App';

ReactDOM.render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
  document.getElementById('root')
);