Add image variant

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

partials/text/feed.hbs

@@ -1,21 +1,5 @@
 <div class="post-feed gh-feed">
     {{#foreach posts}}
-    <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>
+    {{> text/loop}}
     {{/foreach}}
 </div>