Add RSS link

layouts/partials/header.html

@@ -8,6 +8,9 @@
 <header class="masthead">
   <h3 class="masthead-title">
     <a href="/" title="Home">{{ .Site.Title }}</a>
+    <span class="navigation">
+      <small><a href="/atom.xml"><img src="/images/feed-icon.png" alt="RSS"></a></small><!-- image source: https://commons.wikimedia.org/wiki/File:Generic_Feed-icon.svg -->
+    </span>
     <small>{{ replace .Site.Params.subtitle " " "&nbsp;" | safeHTML }}</small>
   </h3>
 </header>

static/css/main.css

@@ -7,6 +7,19 @@
 	margin-bottom: 2rem;
 }
 
+.navigation {
+  float: right;
+}
+
+.navigation img {
+  height: 1em;
+  vertical-align: baseline;
+  display: inline;
+  margin: 0;
+  padding: 0;
+  border-radius: 0;
+}
+
 main img {
   max-width: 100%;
 }