content: import React from 'react'
  import { render } from 'react-dom'
  import { Provider } from 'react-redux' // sets store into context
  import { createStore } from 'redux' // creates store from reducers
  import todoApp from './reducers' // import of all reducers combined
  import App from './components/App'
  
  let store = createStore(todoApp)
  // store gets created by going through all the reducers and
  // they each just return their initial state
  
  // Provider just sets the store into React's context
  render(
    <Provider store={store}>
      <App />
    </Provider>,
    document.getElementById('root')
  )