src3_index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';

import { createStore } from 'redux'
import rootReducer from './reducers'
import { Provider } from 'react-redux'

// Creamos el store al pasar el reducer raiz
const store = createStore(rootReducer)

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