v2.1.0: VRM Animation!

Milestone
v2.0.10...v2.1.0

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✨ New Features

• #1341: VRM Animation support
  • Provides a new library @pixiv/three-vrm-animation which supports importing the new VRM Animation
  • Note that VRM Animation features are NOT included in @pixiv/three-vrm.
  • See the example how to use VRM Animations.
  • The type definition of VRMC_vrm_animation has also been released (@pixiv/types-vrmc-vrm-animation-1.0)