content: import React from 'react'
  import {render} from 'react-dom'
  import Counter from './Counter'
  import {Provider} from 'react-redux'
  import {createStore} from 'redux'
  import counterApp from './reducers'
  
  let store= createStore(counterApp)
  render(
      <Provider store={store}>
          <Counter/>
       </Provider>,
      document.querySelector('#app')
  ) 