Remplacement du Loader par WithLoader

client/src/components/App.tsx

@@ -2,6 +2,7 @@ import React from 'react';
 import { BrowserRouter, Route, Redirect, Switch } from "react-router-dom";
 import { HomePage } from './HomePage/HomePage';
 import { ProfilePage } from './ProfilePage/ProfilePage';
+import { WorkgroupPage } from './WorkgroupPage/WorkgroupPage';
 
 export class App extends React.Component {
   render() {
@@ -10,6 +11,7 @@ export class App extends React.Component {
         <Switch>
           <Route path="/" exact component={HomePage} />
           <Route path="/profile" exact component={ProfilePage} />
+          <Route path="/workgroups/:id" exact component={WorkgroupPage} />
           <Route component={() => <Redirect to="/" />} />
         </Switch>
       </BrowserRouter>