Updated docs.

overview.html

@@ -260,7 +260,8 @@ licensed under permissive BSD-2 clause open source license.</p>
 <h3>Contact<a class="headerlink" href="#contact" title="Permalink to this headline">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
-<li><p><a class="reference external" href="https://discord.gg/9eMbv7J">Discord</a></p></li>
+<li><p><a class="reference external" href="https://github.com/bkaradzic/bgfx/discussions">GitHub Discussions</a></p></li>
+<li><p><a class="reference external" href="https://discord.gg/9eMbv7J">Discord Chat</a></p></li>
 <li><p>GitHub <a class="reference external" href="https://github.com/bkaradzic">&#64;bkaradzic</a></p></li>
 <li><p>Twitter <a class="reference external" href="https://twitter.com/bkaradzic">&#64;bkaradzic</a></p></li>
 </ul>