Footer social icons

_includes/footer.html

@@ -44,20 +44,39 @@
       </ul>
 
       <ul class="footer-social">
-        <li><a href="https://facebook.com/OKFNetwork">
-          <img src="/assets.okfn.org/images/social/facebook-logo-circle.png" alt="Facebook">
-          </a></li>
         <li>
           <a href="https://twitter.com/okfn">
-            <img src="/assets.okfn.org/images/social/twitter-logo-circle.png" alt="Twitter">
+            <img src="{{ '/assets.okfn.org/images/social/x-logo.png'|url }}" alt="Twitter">
           </a>
         </li>
         <li>
           <a href="https://www.youtube.com/user/openknowledgefdn">
-            <img src="/assets.okfn.org/images/social/youtube-logo-circle.png" alt="YouTube">
+            <img src="{{ '/assets.okfn.org/images/social/youtube-logo-circle.png'|url }}" alt="YouTube">
           </a>
         </li>
+        <li>
+          <a href="https://fosstodon.org/@okfn">
+            <img src="{{ '/assets.okfn.org/images/social/mastodon-logo.png'|url }}" alt="Mastodon">
+          </a>
+        </li>
+        <li>
+          <a href="https://www.linkedin.com/company/open-knowledge-foundation/">
+            <img src="{{ '/assets.okfn.org/images/social/linkedin-logo.png'|url }}" alt="Linkedin">
+          </a>
+        </li>
+        <li>
+          <a href="https://github.com/okfn">
+            <img src="{{ '/assets.okfn.org/images/social/github-logo.png'|url }}" alt="GitHub">
+          </a>
+        </li>
+        <li>
+          <a href="https://okfn.org/newsletter">
+            <img src="{{ '/assets.okfn.org/images/social/newsletter.png'|url }}" alt="Newsletter">
+          </a>
+        </li>
+
       </ul>
+
     </div>
 
     <hr>