Hide tutorials and put placeholder video

data/tutorials.yml

-items:
-  - title: Tutorial 1 Title
-    description: Short description of tutorial
-    link: '#'
-  - title: Tutorial 2 Title
-    description: Short description of tutorial
-    link: '#'
+items: []

js/main.js

@@ -19,7 +19,7 @@ const renderTutorialPlaylist = async () => {
   if (!tutorialContainerElement) return;
   
   try { 
-    const response = await fetch('https://api.eclipse.org/media/youtube/playlists/PLy7t4z5SYNaRoQ4o40i6zfD0ZuoenX7ph');
+    const response = await fetch('https://api.eclipse.org/media/youtube/videos/q458r3cPwsE');
     const playlist = await response.json();
 
     tutorialContainerElement.innerHTML = playlist.player.embed_html;