content: import React from 'react'
  import ReactDOM from 'react-dom'
  import './index.css'
  import App from './components/App'
  import registerServiceWorker from './registerServiceWorker'
  import { BrowserRouter } from 'react-router-dom'
  import { Provider } from 'react-redux'
  import { createStore, applyMiddleware, compose } from 'redux'
  import logger from 'redux-logger'
  import thunk from 'redux-thunk'
  import reducer from './reducers'
  
  const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose
  
  const store = createStore(
    reducer,
    composeEnhancers(
      applyMiddleware(thunk, logger)
    )
  )
  
  ReactDOM.render(
    <Provider store={store}>
      <BrowserRouter>
        <App />
      </BrowserRouter>
    </Provider>,
    document.getElementById('root')
  )
  registerServiceWorker()
  