content: import React from 'react';
  import NavigationBar from './NavigationBar';
  import FlashMessagesList from './flash/FlashMessagesList';
  
  class App extends React.Component {
    render() {
      
      return (
  
        <div>
          <NavigationBar />
            <div className="container">
              <FlashMessagesList />
              {this.props.children}
            </div>
        </div>
  
      );
    }
  }
  
  export default App;
  