Update videojs

webroot/index.html

@@ -8,9 +8,9 @@
   <link href="https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css" rel="stylesheet" />
   <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  
-  <link href="https://vjs.zencdn.net/7.8.2/video-js.css" rel="stylesheet">
+  <link href="//unpkg.com/video.js@7.8.3/dist/video-js.css" rel="stylesheet">
   <link href="https://unpkg.com/@videojs/themes@1/dist/fantasy/index.css" rel="stylesheet" />
-  <script src="//vjs.zencdn.net/7.8.2/video.js"></script>
+  <script src="//unpkg.com/video.js@7.8.3/dist/video.js"></script>
   <script src="//unpkg.com/showdown/dist/showdown.min.js"></script>
   <script src="vendor/autolink.js"></script>
   <link href="./styles/layout.css" rel="stylesheet" />