react-logo/frontend/src/index.js

import ReactDOM from 'react-dom';
import { HotApp as App } from './app';
import { configureStore } from './store/store';
import { Provider } from 'react-redux';
import 'bulma/bulma.sass';

const store = configureStore();

ReactDOM.render(
    <Provider store={store}>
        <App />
    </Provider>, 
    document.getElementById('app')
);