index.js

import React from 'react';
import ReactDOM from 'react-dom';
//<import './index.css';
import CycleList from './CycleList';
import ProjectList from './ProjectList';
import UC1 from './UC1';
import App from './App';
import * as serviceWorker from './serviceWorker';

import { Route, Link, BrowserRouter as Router } from 'react-router-dom'

const routing = (
  <Router>
    <div>
      <Route exact path="/frontend/" component={App} />
      <Route path="/frontend/cycle" component={CycleList} />
      <Route path="/frontend/project" component={ProjectList} />
      <Route path="/frontend/uc1" component={UC1} />
    </div>
  </Router>
)
ReactDOM.render(routing, document.getElementById('root'))



// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
serviceWorker.unregister();