Minor bug fixes

- Minor bug fixes

- Added glass effect
- Minor bug fixes
- Updated app icon

- Minor bug fixes

- Added a Rectangle tool for drawing boxes on the board
- Improved overall performance and stability

- Added support for the Esc key
- Minor bug fixes and performance improvements

- Minor bug fixes

- Adjusted cursor movement speed for smoother performance
- Cursor and keystroke opacity adjustments added
- Keystroke position is now customizable (top, bottom, left, right)