content: import React from 'react'
  import { BrowserRouter, Link, Route } from 'react-router-dom'
  import BoulderSelection from './BoulderSelection'
  import BoulderDisplay from './BoulderDisplay'
  
  const App = () => (
    <BrowserRouter>
      <div>
        <Route exact path="/" component={BoulderSelection} />
        <Route path="/boulders/:boulder/:routeName?" component={BoulderDisplay} />
      </div>
    </BrowserRouter>
  )
  
  export default App
  