index.js

import './index.css';
import "bootstrap/dist/css/bootstrap.min.css";
import 'react-tagsinput/react-tagsinput.css';

import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import registerServiceWorker from './registerServiceWorker';
import { BrowserRouter as Router } from 'react-router-dom';
import { Provider } from 'react-redux';
import { createStore, applyMiddleware, compose } from 'redux';
import reducer from './REDUX/reducer';
import thunk from 'redux-thunk';
import logger from 'redux-logger';

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose; // gives us access to redux dev tools
const store = createStore(reducer, composeEnhancers(applyMiddleware(thunk, logger)));

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