Merge !1180

footer: use variable instead of absolute link for RSS feed

See merge request monero-project/monero-site!1180

_data/lang/en/footer-1.yml

@@ -11,7 +11,7 @@
   - name: Library
     url: library
   - name: RSS Feed
-    url: https://getmonero.org/feed.xml
+    url: rss
 - title: IRC Channels
   subfolderitems:
   - name: monero

_includes/footer.html

@@ -10,6 +10,8 @@
                               <li><a class="white" href="{{ entry.url }}">{{ entry.name }}</a></li>
                              {% elsif entry.url contains 'irc' %}
                               <li><a class="white" href="{{ entry.url }}">{{ entry.name }}</a></li>
+                             {% elsif entry.url == 'rss' %}
+                                <li><a class="white" href="{{ site.baseurl_root }}/feed.xml">{{ entry.name }}</a></li>
                              {% else %}
                                 <li><a class="white" href="{{ site.baseurl }}/{{ entry.url }}">{{ entry.name }}</a></li>
                              {% endif %}