message: Add key to routes
diff: @@ -40,7 +40,7 @@ export default ({ environment }) => (
  <div>
  <label>Routes</label>
  <div className='field'>
  - {environment.routes.split(',').map(route => <div><Link href={route}><a className='hover-state'>{route}</a></Link></div>)}
  + {environment.routes.split(',').map(route => <div key={route}><Link href={route}><a className='hover-state'>{route}</a></Link></div>)}
  </div>
  </div>
  </div>
  