LambdaOS-Alpha

• LambdaShell 0.1: A custom-built command-line interface.
• PS/2 Keyboard Driver: Full interrupt-driven keyboard support.
• CMOS Integration: Real-time clock access for system time.
• GDT/IDT/ISR/IRQ: Robust interrupt handling and segmentation logic.
• Timer Support: Programmable Interval Timer (PIT) for system ticks.

🛠 Technical Updates:

• Optimized Makefile for sysroot-based cross-compilation.
• Implemented basic string manipulation library (libk).