text: import React from 'react';
  import PropTypes from 'prop-types';
  
  /** Custom Component displays Hello World */
  function HelloWorld({ message }) {
      return <div>Hello {message}</div>
  }
  
  HelloWorld.propTypes = {
      /** message to display */
      message: PropTypes.string
  }
  
  HelloWorld.defaultProps = {
      message: 'World'
  }
  
  export default HelloWorld;