Adding a React Component

app.jsx

import React from 'react';
import Header from './components/header';

const App = () => {
  return (
    <div className="container">
      <div className="starter-template">
        <Header />
      </div>
    </div>
  )
}

export default App;

header.jsx

import React from 'react';

const Header = () => (
  <header>
    <h1>React Example</h1>
  </header>
)

export default Header;