website/_includes/menu.html

{% for node in site.pages %}
{% if node.menutitle %}
{% if node.url == page.url %}
<li><a href="{{ node.url }}" class="is-active">{{ node.menutitle | escape }}</a></li>
{% else %}
<li><a href="{{ node.url }}">{{ node.menutitle | escape }}</a></li>
{% endif %}
{% endif %}
{% endfor %}
<li><a href="https://git.zom.bi/explore/projects">Git</a></li>
<li><a href="https://wiki.zom.bi/">Wiki</a></li>