Patch Notes: v0.9.1 beta

Patch notes v0.9 beta → v0.9.1 beta:

Enhanced modules, improved high-DPI awareness on MacOS, fixed some bugs.

• Added a Raycaster module
  
• Added alpha support for text rendering
  
• Added a "Libraries/Algorithms/Raycaster" example
  
• Added an optional parameter when a Promise got error
  
• Added a launch option to disable high-DPI (MacOS)
  
• Fixed a return value bug of the mouse(...) function
  
• Fixed an input value validation issue of the Walker module
  
• Fixed a touch position bug with global scale
  
• Fixed a rendering bug with high-DPI monitor (MacOS)