shouldSupercede

controllers.application.js

import Ember from 'ember';

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

router.js

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

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
	this.route('parent', function() {
     this.route('child', { path: '/:id' });
  });
  this.route('parent-two');
});

export default Router;

routes.parent-two.js

import Ember from 'ember';

export default Ember.Route.extend({
});

routes.parent.child.index.js

import Ember from 'ember';

export default Ember.Route.extend({
});

routes.parent.js

import Ember from 'ember';

export default Ember.Route.extend({
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{link-to 'parent-two' 'parent-two'}}

{{outlet}}
<br>
<br>

templates.parent-two.hbs

{{link-to 'parent.child' 'parent.child'}}
{{outlet}}

templates.parent.child.index.hbs

<hr>
child

templates.parent.hbs

parent
<hr>
{{outlet}}

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "1.13.13",
    "ember-data": "2.8.0",
    "ember-template-compiler": "1.13.13",
    "ember-testing": "1.13.13"
  },
  "addons": {}
}