added dark mode

static-data/www/shared/about.html

@@ -3,7 +3,6 @@
 <p>Onionr is a private decentralized communication network</p>
 <p><i class="fab fa-gitlab"></i> <a href="https://gitlab.com/beardog/onionr">Source code</a></p>
 
-
 <br>
 
 <b>Core developers:</b>
@@ -12,6 +11,12 @@
     <li><a href="https://www.aaronesau.com/">Aaron Esau</a></li>
 </ul>
 
+<b>Contributors:</b>
+<ul>
+    <li><a href="https://invisamage.com/">Travis Kipp</a> (web UI and CSS)</li>
+    <li><a href="https://k7dxs.net/">Duncan Simpson</a> Packaging help</li>
+</ul>
+
 <br>
 
 <b>Onionr is built with:</b>