Add sponsors page

source/sponsors.html.twig

@@ -0,0 +1,26 @@
+---
+layout: page
+title: Sponsors
+---
+{% for level in site.sponsorship_levels %}
+  {% set sponsors = site.sponsors[level] %}
+  {% if sponsors %}
+    <section class="tw-block tw-mb-8">
+      <h2 class="tw-mb-4">{{ level ~ ' Sponsors'|capitalize }}</h2>
+
+      <div class="{{ level == 'gold' ? '' : 'tw-flex tw-flex-wrap tw--mx-2' }}">
+        {% for sponsor in sponsors %}
+          <article class="{{ level == 'gold' ? 'tw-w-full' : 'tw-w-1/6 tw-px-2 tw-mb-6' }}">
+            {% set template = (level == 'gold') ? 'sponsors/full' : 'sponsors/teaser' %}
+            {% include template with {
+              description: sponsor.description,
+              logo: sponsor.logo,
+              name: sponsor.name,
+              url: sponsor.url,
+            } %}
+          </article>
+        {% endfor %}
+      </div>
+    </section>
+  {% endif %}
+{% endfor %}