add statistics page skeleton, and router entry for it

client/index.js

@@ -33,6 +33,10 @@ const Graders = Loadable({
   loader: () => import('./views/Graders'),
   loading: Loading,
 });
+const Statistics = Loadable({
+  loader: () => import('./views/Statistics'),
+  loading: Loading,
+});
 const Reset = Loadable({
   loader: () => import('./views/Reset'),
   loading: Loading,
@@ -52,6 +56,7 @@ if (root == null) {
         <Route path="/grade" component={Grade} />
         <Route path="/graders" component={Graders} />
         <Route path="/reset" component={Reset} />
+        <Route path="/statistics" component={Statistics} />
       </Switch>
     </Router>
   ), root);

client/views/Statistics.js

+import React from 'react';
+import NavBar from '../components/NavBar';
+import Hero from '../components/Hero';
+import Footer from '../components/Footer';
+
+const StatisticsDashboard = () => {
+  return (
+      <div>
+
+        <NavBar />
+
+        <Hero title='Statistics Dashboard' subtitle='Is your exam sane?' />
+
+        <h1>React Router demo</h1>
+        Hoi dit de Statistics Dashboard
+        <Footer />
+
+       </div>
+  )
+}
+
+export default StatisticsDashboard;