React Class Component : src/index.js

index.js

import React from "react";
import ReactDOM from "react-dom";
import "./index.css";
import App from "./App";
import * as serviceWorker from "./serviceWorker";

import { Provider } from "react-redux"; // holds that store

import "bootstrap/dist/css/bootstrap.css";
import "@fortawesome/fontawesome-free/css/all.css";

import { store } from "./store"; // the store

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

serviceWorker.unregister();