v0.2.1

• Uses stricter validation for model settings JSON. Now the types of essential properties will be checked
• Depends the url module from "@pixi/utils", rather than the one from Node.js
• Takes either an instance or the data of model in Live2DResources
• Keeps on starting idle motions even when there is a reserved motion
• Clears reserved motion when stopAllMotions() is called
• Optimized management of tasks and states
• Improved generation of definition file
• Removed dependency of path module
• Fixed disposing audio cause errors
• Fixed incorrect log levels
• Fixed audio array are not emptied when destroying SoundManager