content: import React, { Component } from 'react';
  import Backbone from 'backbone';
  import Header from './Header';
  import Footer from './Footer';
  import Notify from '../../notify/components/Notify';
  import Router from '../../router/components/Router';
  
  
  export class App extends Component {
    componentDidMount() {
      Backbone.history.start();
    }
  
    render() {
      return (
        <div>
          <Header />
          <Notify />
          <Router />
          <Footer />
        </div>
      );
    }
  }
  