hugo/docs/layouts/chrome/menu.html

          <ul class="nav nav-stacked nav-pills">
            <li class="text-muted"><h4>Getting Started</h4></li>

            {{ range $key, $value := .Site.Indexes.groups.gettingstarted.Pages }}
            <li hugo-nav="{{$value.RelPermalink}}"><a href="{{$value.Permalink}}"> {{ $value.LinkTitle }} </a> </li>
            {{ end }}
            <li class="divider"></li>

            <li class="text-muted"><h4>Layout</h4></li>
            <li> <a href="/layout/templates">Overview</a></li>
            <li hugo-nav="/layout/variables"> <a href="/layout/variables">Variables</a></li>
            <li hugo-nav="/layout/homepage"> <a href="/layout/homepage">Homepage</a></li>
            <li hugo-nav="/layout/rss"> <a href="/layout/rss">RSS</a></li>
            <li hugo-nav="/layout/indexes"> <a href="/layout/indexes">Index</a></li>
            <li hugo-nav="/layout/content"> <a href="/layout/content">Content</a></li>
            <li hugo-nav="/layout/views"> <a href="/layout/views">Content Views</a></li>
            <li hugo-nav="/layout/chrome"> <a href="/layout/chrome">Chrome</a></li>
            <li class="divider"></li>

            <li class="text-muted"><h4>Content</h4></li>
            <li hugo-nav="/content/organization"> <a href="/content/organization">Organization</a></li>
            <li hugo-nav="/content/sections"> <a href="/content/sections">Sections</a></li>
            <li hugo-nav="/content/types"> <a href="/content/types">Types</a></li>
            <li hugo-nav="/content/front-matter"> <a href="/content/front-matter">Front Matter</a></li>
            <li hugo-nav="/content/example"> <a href="/content/example">Example</a></li>
            <li class="divider"></li>

            <li class="text-muted"><h4>Extras</h4></li>
            <li hugo-nav="/extras/shortcodes"> <a href="/extras/shortcodes">ShortCodes</a></li>
            <li hugo-nav="/extras/aliases"> <a href="/extras/aliases">Aliases</a></li>
            <li hugo-nav="/extras/indexes"> <a href="/extras/indexes">Indexes</a></li>
            <li hugo-nav="/extras/indexes/category"> <a href="/extras/indexes/category">Example Index - Category</a></li>
            <!--<li> <a href="/extras/indexes/series">Example Index - Series</a></li>-->
            <li class="divider"></li>

            <li class="text-muted"><h4>Meta</h4></li>
            <li hugo-nav="/meta/release-notes"> <a href="/meta/release-notes">Release Notes</a></li>
            <li hugo-nav="/meta/roadmap"> <a href="/meta/roadmap">Roadmap</a> </li>
            <li hugo-nav="/meta/contributing"> <a href="/meta/contributing">Contributing</a></li>
            <li hugo-nav="/meta/contributors"> <a href="/meta/contributors">Contributors</a></li>
            <li hugo-nav="/meta/license"> <a href="/meta/license">License</a></li>
          </ul>