fix: pin GaussianSplats3D CDN to 0.4.7 — version 0.5.0 does not exist on npm

index.html

@@ -530,7 +530,7 @@ var backBtn = document.getElementById("back-btn");
 async function ensureGS3D() {
   if (GS3D) return GS3D;
   var mod = await import(
-    "https://cdn.jsdelivr.net/npm/@mkkellogg/gaussian-splats-3d@0.5.0/build/gaussian-splats-3d.module.js"
+    "https://cdn.jsdelivr.net/npm/@mkkellogg/gaussian-splats-3d@0.4.7/build/gaussian-splats-3d.module.js"
   );
   GS3D = mod;
   return GS3D;