secure-sharing/SecureSharing/wwwroot/docs/_includes/sidebar.html

<aside class="main-sidebar sidebar-dark-primary elevation-4">
    <a class="brand-link logo-switch" href="{{ '/index.html' | prepend: site.baseurl }}">
        <img alt="AdminLTE Docs Logo Small" class="brand-image-xl logo-xs"
             src="{{ '/assets/img/logo-xs.png' | prepend: site.baseurl }}">
        <img alt="AdminLTE Docs Logo Large" class="brand-image-xs logo-xl"
             src="{{ '/assets/img/logo-xl.png' | prepend: site.baseurl }}" style="left: 12px">
    </a>
    <div class="sidebar">
        <div class="form-inline mt-2">
            <div class="input-group" data-widget="sidebar-search">
                <input aria-label="Search" class="form-control form-control-sidebar" placeholder="Search" type="search">
                <div class="input-group-append">
                    <button class="btn btn-sidebar">
                        <i class="fas fa-search fa-fw"></i>
                    </button>
                </div>
            </div>
        </div>
        <nav class="mt-2">
            <ul class="nav nav-pills nav-sidebar nav-child-indent flex-column" data-widget="treeview" role="menu">
                {% for item in site.navigation -%}
                {%- assign subitem_active = 'false' -%}
                {%- for subitem in item.subitems -%}
                {%- assign subitem_url = '/' | append: subitem.url -%}
                {%- if subitem_url == page.url -%}
                {%- assign subitem_active = 'true' -%}
                {%- endif -%}
                {%- endfor %}

                <li class="nav-item{% if subitem_active == 'true' %} menu-open{% endif %}">
                    {% if item.url == 'index.html' -%}
                    {%- assign item_url = '/' -%}
                    {%- else -%}
                    {%- assign item_url = '/' | append: item.url -%}
                    {%- endif %}

                    <a href="{% if item.url %}{{ item.url | prepend: "/" | prepend: site.baseurl }}{% else %}#{% endif
                    %}" class="nav-link{% if item_url == page.url %} active{% endif %}{% if subitem_active == 'true'%}
                    active{% endif %}">
                    <i class="nav-icon {{ item.icon }}"></i>
                    <p>
                        {{ item.title }}
                        {% if item.subitems %}<i class="right fas fa-angle-left"></i>{% endif %}
                    </p>
                    </a>

                    {% if item.subitems -%}
                    <ul class="nav nav-treeview">
                        {% for subitem in item.subitems -%}
                        {%- assign subitem_url = '/' | append: subitem.url -%}
                        <li class="nav-item">
                            <a href="{{ subitem.url | prepend: "/" | prepend: site.baseurl }}" class="nav-link{% if
                            subitem_url == page.url %} active{% endif %}">
                            <i class="far fa-circle nav-icon"></i>
                            <p>{{ subitem.title }}</p>
                            </a>
                        </li>
                        {%- endfor %}
                    </ul>
                    {%- endif %}
                </li>
                {% endfor %}
            </ul>
        </nav>
    </div>
</aside>