Migrate the existing login form to use React

resources/scripts/components/App.tsx

@@ -1,10 +1,17 @@
 import * as React from 'react';
 import { hot } from 'react-hot-loader/root';
+import { BrowserRouter as Router, Route } from 'react-router-dom';
+import AuthenticationRouter from '@/routers/AuthenticationRouter';
 
 class App extends React.PureComponent {
     render () {
         return (
-            <h1>Hello</h1>
+            <Router>
+                <div>
+                    <Route exact path="/"/>
+                    <Route path="/auth" component={AuthenticationRouter}/>
+                </div>
+            </Router>
         );
     }
 }