feat: gdt, attributes move, reorder

Added late gdt setup with initial tss
Moved attributes to include root
Reordered some imports

include/myke/libk/syscall.h

@@ -6,14 +6,14 @@
 #define NEW_KERNEL_SYSCALL_H
 
 #include <sys/types.h>
-#include <myke/attributes.h>
+#include <attributes.h>
 
 #define SYSCALL_START_SCHEDULER 0x01
 #define SYSCALL_YIELD_JOB       0x02
 #define SYSCALL_YIELD_IRQ       0x03
 #define SYSCALL_SUSPEND         0x04
 
-void noreturn syscall_start_scheduler();
+void att_noreturn syscall_start_scheduler();
 
 void syscall_yield_job();