new_contents: var React = require('react');
  var Router = require('react-router');
  
  var Routes = require('../shared/Components/Routes');
  
  [require('../shared/Stores/roomStore'), require('../shared/Stores/messageStore'), require('../shared/Stores/likeStore')].forEach(function (store) {
    store.rehydrate(window.state);
  });
  
  Router.run(Routes, Router.HistoryLocation, function (Handler) {
    React.render(<Handler />, window.document.getElementById('app'));
  });
  
subject: Implement client.js