message: Update README.md
  Use import statement
diff: @@ -31,7 +31,7 @@ gltfpack can also compress textures using Basis Universal format, either storing
  When using compressed files, [js/meshopt_decoder.js](https://github.com/zeux/meshoptimizer/blob/master/js/meshopt_decoder.js) needs to be loaded to provide the WebAssembly decoder module like this:
  ```js
  -<script src="js/meshopt_decoder.js"></script>
  +import MeshoptDecoder from "./meshopt_decoder";
  ...
  