text: import React from 'react'
  import {Link} from 'gatsby'
  
  const Header = () => {
    return (<header>
      <h1>Gatsby Bootcamp</h1>
      <nav>
        <ul>
          <li>
            <Link to="/">Home</Link>
          </li>
          <li>
            <Link to="/about">About</Link>
          </li>
          <li>
            <Link to="/blog">Blog</Link>
          </li>
          <li>
            <Link to="/contact">Contact</Link>
          </li>
        </ul>
      </nav>
    </header>)
  }
  
  export default Header
  