macOS support

Great news! We now offer macOS support, including Native Apple Silicone and Intel-based Macs.

Fixes and improvments

• fixed an issue with hiDPI monitors, when in full-screen mode, the bottom of the screen was cut off.
  
• fixed a mouse cursor behaviour, it is now hidden only when in a full-screen mode
  
• fixed the issue with slightly inaccurate volume settings for music and SFX