Release 6.0

Features:

• Cross-platform (Windows, Ubuntu (Debian family)) CMake x32 build
• Added the Screen Keyboard Window
• CLI loading file command support
• Remapped Restart to F12
• Refactored project structure
• The main loop, event handling, and the graphics context setup transferred from FLSW to SDL3/GLAD.
• Native window loading/saving dialog windows replaced with a cross-platform solution
• Updated hints

Bug Fixes:

• Fixed key handling during HW running
• Fixed Piral game (avoided touching unused flags)
• Fixed an issue of not loading fonts at startup
• Fixed minor bugs (part of SDL/ImGui/loop refactor)
• Fixed small bugs in Windows build