Dynamic footer

Signed-off-by: Valentin Popov <info@valentineus.link>

_data/footer.yml

@@ -0,0 +1,8 @@
+- name: "Contact"
+  path: "mailto:info@valentineus.link"
+
+- name: "Subscription"
+  path: "/atom.xml"
+
+- name: "Site Map"
+  path: "/sitemap.xml"

_includes/footer.html

@@ -1,9 +1,13 @@
 <footer class="footer">
   <small>
-    <a href="mailto:{{ site.author.email | strip_newlines | strip_html | strip | normalize_whitespace | uri_escape }}">Contact</a>
+    {% for link in site.data.footer %}
+      <a href="{{ link.path | strip_newlines | strip_html | strip | normalize_whitespace | relative_url | uri_escape }}">
+        {{ link.name | strip_newlines | strip_html | strip | normalize_whitespace | smartify }}
+      </a>
+      <!-- Separation -->
+      {% unless forloop.last %}
         <span>|</span>
-    <a href="{{ site.rss | relative_url | uri_escape }}">Subscription</a>
-    <span>|</span>
-    <a href="{{ '/sitemap.xml' | relative_url | uri_escape }}">Site Map</a>
+      {% endunless %}
+    {% endfor %}
   </small>
 </footer>