content: import React from 'react';
  import PropTypes from 'prop-types';
  
  import Navigation from './Navigation';
  import Sidebar from './Sidebar';
  import Footer from './Footer';
  import Redirect from './Redirect';
  
  const AppContainer = ({children}) => (
      <div>
          <Navigation />
          <div className="container">
              {children}
          </div>
          <Sidebar />
          <Redirect />
          <Footer />
      </div>
  );
  
  AppContainer.propTypes = {
      children: PropTypes.node,
  };
  
  AppContainer.defaultProps = {
      children: null,
  };
  
  export default AppContainer;
  