Commented out nodes/playground (it's not ready yet)

index.html

@@ -49,7 +49,7 @@
 						<li><a href="examples/#webgl_animation_keyframes">examples</a></li>
 						<li><a href="editor/">editor</a></li>
 						<li><a href="https://chat.openai.com/g/g-jGjqAMvED-three-js-mentor">gpt</a></li>
-						<li><a href="playground/">nodes</a> (wip)</li>
+						<!-- <li><a href="playground/">nodes</a> (wip)</li> -->
 					</ul>
 
 					<h2>Community</h2>