Websites: Some updates for the serenityos.org front page

- Add link to the Discord server
- Remove reference to Freenode IRC channel since it's no longer used
- Add sponsorship links for Linus :^)

Meta/Websites/serenityos.org/index.html

@@ -19,22 +19,36 @@ <h1>SerenityOS</h1>
 
 <p><b>Project:</b></p>
 <ul>
-    <li><a href="https://github.com/SerenityOS/serenity">SerenityOS on GitHub</a> <b>(Go here if you're new!)</b></li>
-    <li><a href="bounty/">Bug bounty program</a></li>
+    <li><a href="https://github.com/SerenityOS/serenity">SerenityOS on GitHub</a></li>
+    <li><a href="https://discord.com/invite/29gCcKsXkF">SerenityOS Discord Server</a> <font color=red>(join here to chat!)</font></li>
     <li><a href="faq/">Frequently asked questions</a></li>
-    <li><b>#serenityos</b> on Freenode IRC</li>
+    <li><a href="bounty/">Bug bounty program</a></li>
 </ul>
 
-<p><b>Sponsoring development:</b></p>
+<p><b>Sponsoring developers:</b></p>
+
 <ul>
-    <li><a href="github-sponsors/">GitHub Sponsors</a></li>
-    <li><a href="https://www.patreon.com/serenityos">Patreon</a></li>
+    <li>
+        <b>Andreas Kling (<a href="https://twitter.com/awesomekling">@awesomekling</a>):</b>
+        <ul>
+            <li><a href="https://github.com/sponsors/awesomekling">GitHub Sponsors</a></li>
+            <li><a href="https://www.patreon.com/serenityos">Patreon</a></li>
+        </ul>
+    </li>
+    <br>
+    <li>
+        <b>Linus Groh (<a href="https://twitter.com/linusgroh">@linusgroh</a>):</b>
+        <ul>
+            <li><a href="https://github.com/sponsors/linusg">GitHub Sponsors</a></li>
+            <li><a href="https://liberapay.com/linusg">Liberapay</a></li>
+        </ul>
+	</li>
 </ul>
 
 <p><b>Other links:</b></p>
 <ul>
     <li><a href="https://youtube.com/c/AndreasKling">Andreas Kling on YouTube</a></li>
-    <li><a href="happy/2nd/">Happy 2nd birthday! SerenityOS: The second year</a> <font color=red>(new!)</font></li>
+    <li><a href="happy/2nd/">Happy 2nd birthday! SerenityOS: The second year</a></li>
     <li><a href="happy/1st/">Happy 1st birthday! SerenityOS: From zero to HTML in a year</a></li>
     <li><a href="https://happy-serenityos.linus.dev/">Linus's ":^)" tracker</a></li>
 </ul>