Add support for 3d models in assets and attachments

src/main/resources/templates/broadcast.html

@@ -7,6 +7,9 @@
         <link rel="stylesheet" href="/css/styles.css" />
         <script src="https://cdn.jsdelivr.net/npm/sockjs-client@1/dist/sockjs.min.js"></script>
         <script src="https://cdn.jsdelivr.net/npm/[email protected]/lib/stomp.min.js"></script>
+        <script src="/js/vendor/three.min.js"></script>
+        <script src="/js/vendor/GLTFLoader.js"></script>
+        <script src="/js/vendor/OBJLoader.js"></script>
     </head>
     <body class="broadcast-body">
         <canvas id="broadcast-canvas"></canvas>