Add image variant

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

partials/text/loop.hbs

@@ -0,0 +1,17 @@
+<article class="gh-card {{post_class}}">
+  <a class="gh-card-link" href="{{url}}">
+    <header class="gh-card-header">
+      <h2 class="gh-card-title">{{title}}</h2>
+    </header>
+
+    <div class="gh-card-excerpt">{{excerpt}}</div>
+
+    <footer class="gh-card-meta">
+      <time class="gh-card-date" datetime="{{date format="YYYY-MM-DD"}}">{{date}}</time>
+      <span class="gh-card-duration">{{reading_time}}</span>
+      {{^has visibility="public"}}
+      {{> icons/star}}
+      {{/has}}
+    </footer>
+  </a>
+</article>