text: import React from 'react'
  import {
    Router,
    Route
  } from 'react-router-dom'
  import Callback from './routes/Callback'
  import Home from './routes/Home'
  import Signout from './routes/Signout'
  import Signup from './routes/Signup'
  
  import { createBrowserHistory } from 'history'
  
  const history = createBrowserHistory()
  
  const App = () => (
    <Router history={history}>
      <Route exact path="/" component={Home}/>
      <Route exact path="/signup" component={Signup}/>
      <Route exact path="/signout" component={Signout}/>
      <Route exact path="/callback" component={Callback}/>
    </Router>
  )
  
  export default App
  