app/index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="shortcut icon" href="{{rootURL}}assets/images/favicon.png">
    <meta property="og:type" content="website">

    {{content-for "head"}}

    <link integrity="" rel="stylesheet" href="{{rootURL}}assets/vendor.css">
    <link integrity="" rel="stylesheet" href="{{rootURL}}assets/ember-api-docs.css">
    <link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600" rel="stylesheet">

    {{content-for "head-footer"}}
  </head>
  <body>
    {{content-for "body"}}

    <script src="{{rootURL}}assets/vendor.js"></script>
    <script src="{{rootURL}}assets/ember-api-docs.js"></script>

    {{content-for "body-footer"}}
  </body>
</html>