test-app/app/index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>Ember Sortable Demo</title>
<meta name="description" content="" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
{{content-for "head"}}
<link integrity="" rel="stylesheet" href="{{rootURL}}assets/vendor.css" />
<link integrity="" rel="stylesheet" href="{{rootURL}}assets/test-app.css" />
{{content-for "head-footer"}}
</head>
<body>
{{content-for "body"}}
<script src="{{rootURL}}assets/vendor.js"></script>
<script src="{{rootURL}}assets/test-app.js"></script>
{{content-for "body-footer"}}
</body>
</html>