content: import React, { Component } from 'react';
  import Container from '../../shared/Container';
  import Heading from '../../shared/Heading';
  import PlaygroundEditor from './PlaygroundEditor';
  import NavBar from '../../shared/NavBar';
  import Separator from '../../shared/Separator';
  
  export default class App extends Component {
    render() {
      return (
        <div>
          <NavBar />
          <Separator />
          <Container>
            <Heading level={2}>Development Playground</Heading>
          </Container>
          <Container>
            <PlaygroundEditor />
          </Container>
        </div>
  
      );
    }
  }
  