content: /* eslint-disable react/jsx-filename-extension */
  import React from 'react';
  import ReactDOM from 'react-dom';
  import { Provider } from 'mobx-react';
  import CounterStore from './src/store';
  import App from './src/App';
  
  const rootEl = document.getElementById('root');
  const counterStore = new CounterStore();
  
  ReactDOM.render(
    <Provider counterStore={counterStore}>
      <App />
    </Provider>,
    rootEl,
  );
  