<div>
    <ul>
    {% for subfolder in subfolders %}
        <li class="folder-icon"><a href="{{subfolder.rel_path}}">{{subfolder.name}}</a></li>
    {% endfor %}
    {% for md_file in md_files %}
        <li class="file-icon"><a href="{{md_file.rel_path}}">{{md_file.name}}</a></li>
    {% endfor %}
    </ul>
</div>