Add a bunch of placeholder files

Placeholder files for future app structure
Also figured out how to have root url code stuff

frontend-reactive/app/router.ts

@@ -7,5 +7,9 @@ export default class Router extends EmberRouter {
 }
 
 Router.map(function () {
-  // Add route declarations here
+  this.route('about');
+
+  this.route('notes', function () {
+    this.route(':note_id');
+  });
 });