Local Draco decoder assets:

- draco_wasm_wrapper.js and draco_decoder.wasm are copied from @loaders.gl/draco 4.3.4.
  License: MIT. See LICENSE.loaders-gl-draco.

- draco_decoder.js is copied from draco3d 1.5.7 as the local JS fallback decoder.
  Package license: Apache-2.0.
