Lighthouse/src/Routes.jsx

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

import User from './Pages/User/User'

const Home = () => <div>Home</div>
const Projects = () => <div>Projects</div>
const Settings = () => <div>Settings</div>

const Routes = () => 
    <div>
        <Route path="/"         component={Home} exact />
        <Route path="/projects"    component={Projects} />
        <Route path="/user"     component={User} />
        <Route path="/settings" component={Settings} />
    </div>

export default Routes