Add more layout

docs/_includes/footer/link.html

@@ -0,0 +1,13 @@
+<p class="bd-footer-link bd-has-subtitle">
+  <a href="{{ site.url }}{{ link.path }}">
+    <span class="bd-footer-link-icon has-text-{{ link.color }}">
+      <i class="{% if link.icon_brand %}fab{% elsif link.icon_regular %}far{% else %}fas{% endif %} fa-{{ link.icon }}"></i>
+    </span>
+    <strong>
+      {{ link.name }}
+    </strong>
+    <em>
+      {{ link.subtitle }}
+    </em>
+  </a>
+</p>