sitemap.html

<!-- _includes/sitemap.html -->
<div class="container">
    {% if site.footer_menu %}
    <div class="columns is-multiline">
        {%- assign title = 'Application' -%}
        {%- assign items = site.data[site.footer_menu][title].items -%}
        {% include sitemap-column.html %}

        {%- assign title = 'Support' -%}
        {%- assign items = site.data[site.footer_menu][title].items -%}
        {% include sitemap-column.html %}

        {%- assign title = 'Solutions' -%}
        {%- assign items = site.data.solutions -%}
        {% include sitemap-column.html %}

        {%- assign title = 'Developers' -%}
        {%- assign items = site.data[site.footer_menu][title].items -%}
        {% include sitemap-column.html %}

        {%- assign title = 'About' -%}
        {%- assign items = site.data[site.footer_menu][title].items -%}
        {% include sitemap-column.html %}
    </div>
    {% endif %}
</div>