message: demo: Update to three.js r111
  Cloudflare has r109 as the latest version, so switch to jsdelivr.
diff: <a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
  </div>
  - <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/109/three.min.js"></script>
  + <script src="https://cdn.jsdelivr.net/npm/three@v0.111.0/build/three.min.js"></script>
  <script src="../js/meshopt_decoder.js"></script>
  <script src="GLTFLoader.js"></script>
  