chore: make firebase_list_example a ts file

Author: jeffbcross

test/e2e/firebase_list/firebase_list_example.js

@@ -0,0 +1,32 @@
+import {Component, Inject, provide} from 'angular2/core';
+import {bootstrap} from 'angular2/platform/browser';
+import {DEFAULT_FIREBASE, FirebaseList, FirebaseObservable} from 'angularfire2';
+// var Firebase = require('firebase');
+import Firebase from 'firebase';
+const rootFirebase = 'https://answers-mobile.firebaseio.com/';
+
+var ref = new Firebase(rootFirebase);
+ref.child('questions').set([{
+  question: 'why?'
+},{
+  question: 'how?'
+}]);
+@Component({
+  template: `
+    <h1>Hello</h1>
+    <div *ngFor="#question of questions | async">
+      {{question.val().question}}
+    </div>
+  `,
+  selector: 'app',
+  providers: [FirebaseList('/questions')]
+})
+class App {
+  constructor(@Inject('/questions') public questions:FirebaseObservable<any>) {
+  }
+}
+
+bootstrap(App, [
+  provide(DEFAULT_FIREBASE, {
+    useValue: rootFirebase
+  })]);