content: import React from 'react';
  import ReactDOM from 'react-dom';
  // import { createStore } from 'redux';
  // import { combineReducers } from 'redux'; // -immutable
  // import { Provider } from 'react-redux';
  
  ReactDOM.render(
      <div>
          <a href="/views/dog.html"></a>
          <a href="/views/presentation.html"></a>
      </div>
      , document.querySelector('.app')
  );
  