Test multiple templates.

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle'
});

other-route.template.hbs

<h3>Other Route</h3>

router.js

import Ember from 'ember';
import config from './config/environment';

var Router = Ember.Router.extend({
  location: config.locationType
});

Router.map(function() {
  this.route('other-route');
  this.route('my-route');
});

export default Router;

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
{{link-to 'other-route' 'other-route'}} |
{{link-to 'my-route' 'my-route'}}
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.4.0",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.5/ember.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.5/ember-data.js"
  }
}