text: import React from 'react';
  import PropTypes from 'prop-types';
  
  export const ToolHeader = ({ headerText = 'The Tool' }) => {
  
      return <header>
          <h1>{headerText}</h1>
      </header>;
  
  };
  
  ToolHeader.defaultProps = {
      headerText: 'The Tool',
  };
  
  ToolHeader.propTypes = {
      headerText: PropTypes.string.isRequired,
  };
  