[ BIG CHANGE ] Properly Implemented IDT

- New include files: idt.h, pic.h, syscall.h and exceptions.h
- Proper exception handling (still could be improved
- PIC properly initiated and irqs all masked
- BREAKS Keyboard - The keyboard IRQ is not handled anymore
- convertColor() is kinda broken :/ (More in README.md)

src/stage2.asm

@@ -372,9 +372,9 @@ DATA_SEG equ GDT.dataDescriptor - GDT.start
 
 ;; VBE Stuff
 ;; !! IF YOU WANT TO SELECT ANY VALUE IN THE SETUP, SET THESE TO ZERO !!
-width: dw 0
-height: dw 0
-bpp: db 0
+width: dw 1920
+height: dw 1080
+bpp: db 32
 
 offset: dw 0
 _segment: dw 0 ; segment is a keyword