Fix React Router basename for GitHub Pages deployment

Author: merfanian

demo/public/404.html

@@ -10,7 +10,7 @@
     <script>
         // GitHub Pages SPA redirect
         // Redirect to the main demo page and let React Router handle the routing
-        var segmentCount = 1; // Number of path segments to keep (/demo/)
+        var segmentCount = 2; // Number of path segments to keep (/Needle/demo/)
         var l = window.location;
         l.replace(
             l.protocol + '//' + l.hostname + (l.port ? ':' + l.port : '') +

demo/src/App.js

@@ -35,7 +35,7 @@ function App() {
   console.log('Needle Demo App loading...');
 
   return (
-    <Router>
+    <Router basename="/Needle/demo">
       <div className="App">
         <RedirectHandler />
         <Layout>