Add rss feed link

_layouts/default.html

@@ -36,6 +36,9 @@
         <a class="extra" href="/">home</a>
       </div>
       {{ content }}
+      <div class="row clearfix rss">
+        <a class="rss" href="/feed.xml"><img src="/img/rss.png" alt="RSS"/></a>
+      </div>
       <div class="row clearfix footer">
         <div class="column full contact">
           <p class="contact-info">