Glass-v0.7

New features and fixes:

• Shortcuts redifined:
  • Toggle Fullscreen: Ctrl+Alt+F
  • Toggle Show/Hide: Ctrl+Alt+H
  • Decrease Opacity Level: Ctrl+Alt+1
  • Increase Opacity Level: Ctrl+Alt+2
  • Exit: Alt+F4 (Windows), Ctrl+Esc (Linux), Ctrl+Q (MacOS)
• Icon redisigned
• It launches maximized now
• Only allows one instance