feat: update website to mention all 19 sound packs

Updated contribute section to highlight that 19 packs are available
beyond the 6 featured in the carousel. Updated GitHub links to
PeonPing org.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: garysheng

docs/index.html

@@ -1202,8 +1202,9 @@ <h2 class="section-title">Choose your character</h2>
   </div>
 
   <div class="contribute-cta">
-    <p>Want to add a pack? Drop your sound files in <code>packs/&lt;name&gt;/sounds/</code>, add a manifest, and <a href="https://github.com/tonyyont/peon-ping/pulls">open a PR</a>.</p>
-    <p class="contribute-ideas">Ideas: Night Elf Wisp, Undead Acolyte, Protoss Probe, SCV, Zeratul, Jim Raynor, GLaDOS &hellip;</p>
+    <p><strong>19 packs and counting!</strong> Only a few are featured above &mdash; we also have GLaDOS (Portal), StarCraft Terran units (SCV, Firebat, Medic, Siege Tank, Science Vessel), Russian WC3 packs (Peon, Peasant, Acolyte), Polish Peon, Age of Mythology Greek Villager, and more.</p>
+    <p>Run <code>peon --packs</code> to see them all, or <a href="https://github.com/PeonPing/peon-ping#sound-packs">check the full list on GitHub</a>.</p>
+    <p class="contribute-ideas">Want to add a pack? Drop your sound files in <code>packs/&lt;name&gt;/sounds/</code>, add a manifest, and <a href="https://github.com/PeonPing/peon-ping/pulls">open a PR</a>.</p>
   </div>
 </div>
 </section>
@@ -1268,8 +1269,8 @@ <h2 class="section-title">Ready to work?</h2>
 <!-- ============ FOOTER ============ -->
 <footer>
 <div class="container">
-  <p>MIT License &middot; <a href="https://github.com/tonyyont/peon-ping">GitHub</a></p>
-  <p>Sound files are property of their respective publishers. <a href="https://github.com/tonyyont/peon-ping/pulls">Contribute a pack</a></p>
+  <p>MIT License &middot; <a href="https://github.com/PeonPing/peon-ping">GitHub</a></p>
+  <p>Sound files are property of their respective publishers. <a href="https://github.com/PeonPing/peon-ping/pulls">Contribute a pack</a></p>
 </div>
 </footer>