web: add agent-friendly bullet to homepage principles

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: ralyodio

apps/web/public/index.html

@@ -74,6 +74,7 @@
     <li><b>User-owned data</b> — bring your own SQLite, or use the cloud.</li>
     <li><b>Chrome-compatible</b> — extensions, profiles, bookmarks, DevTools.</li>
     <li><b>Self-hostable</b> — run the services yourself.</li>
+    <li><b>Agent-friendly</b> — drive it from the CLI: <code>tron &lt;url&gt;</code>.</li>
   </ul>
 
   <footer>