minor code formatting tweak

scripts/server.js

@@ -13,9 +13,10 @@ gaze(['css/**/*.css'], (err, watcher) => {
 const server = http.createServer((request, response) => {
   return serve(request, response, {
     cleanUrls: false,
-    rewrites: [
-      { source: '/', destination: '/index.html' },
-    ],
+    rewrites: [{
+      source: '/',
+      destination: '/index.html'
+    }],
     symlinks: true,
     headers: [{
       source: '**',