<nav class=“sidebar”>

<ul class="nav-groups">
  {{#structure}}
  <li class="nav-group-name">
    <a href="{{path_to_root}}{{url}}">{{section}}</a>
    <ul class="nav-group-tasks">
      {{#children}}
      <li class="nav-group-task">
        <a href="{{path_to_root}}{{url}}">{{name}}</a>
      </li>
      {{/children}}
    </ul>
  </li>
  {{/structure}}
</ul>

</nav>