v0.3.0

• Dropped the pixels dependency in favor of direct texture drawing.
• Update egui, wgpu, and winit versions.
• Anchored the debug panel to the right side of the window using SidePanel.
• Implemented smart scaling that checks both width and height constraints.
• Fixed LCD layout so it scales correctly without overlapping the debug panel.
• Added integer-only scaling to maintain pixel-perfect visuals.
• Changed the CentralPanel background to pure black for better contrast.
• Refactored UI boilerplate by replacing verbose append_to calls with LayoutJob.
• Updated the FPS counter to refresh every second to eliminate text flicker.
• Enhanced window initialization to start wider when debug mode is enabled.
• Corrected the emulator heartbeat to allow stepping while the CPU is HALTED.

Full Changelog: v0.2.0...v0.3.0