Add lektor-atom plugin + put the atom feed link in footer

configs/atom.ini

@@ -0,0 +1,5 @@
+[blog]
+name = ungleich Blog
+source_path = /u/blog
+filename = feed.xml
+item_model = blog-post

templates/layout.html

@@ -93,6 +93,14 @@
 	      </span>
 	    </a>
 	  </li>
+	  <li>
+	    <a href="/u/blog/feed.xml">
+	      <span class="fa-stack fa-lg">
+		<i class="fa fa-circle fa-stack-2x"></i>
+		<i class="fa fa-rss fa-stack-1x fa-inverse"></i>
+	      </span>
+	    </a>
+	  </li>
 	</ul>
 	<p class="copyright">
 	  Copyright © ungleich

ungleich-staticcms.lektorproject

@@ -1,2 +1,6 @@
 [project]
 name = ungleich: IPv6 - Linux - FOSS
+url = https://ungleich.ch
+
+[packages]
+lektor-atom = 0.3