Bootstrap

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
{{#bs-navbar as |navbar|}}
  <div class="navbar-header">
    {{navbar.toggle}}
    <a class="navbar-brand" href="#">Brand</a>
  </div>
  {{#navbar.content}}
    {{#navbar.nav as |nav|}}
      {{#nav.item}}
        {{#nav.link-to "home"}}Home{{/nav.link-to}}
      {{/nav.item}}
      {{#nav.item}}
        {{#nav.link-to "navbars"}}Navbars{{/nav.link-to}}
      {{/nav.item}}
    {{/navbar.nav}}
  {{/navbar.content}}
{{/bs-navbar}}

{{outlet}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1",
    "ember-bootstrap": "1.0.0-rc.2"
  }
}