adds a queue library, work for keyb driver

kernel/arch/idt/idt.c

@@ -31,6 +31,7 @@ void exception_handler(unsigned int i)
 		//kinfo("Sending EOI instruction to KEYB");
 #endif
 		unsigned char in = inb(0x60);
+
 		char to_print = decode_key_enum(decode_scancode(in));
 		if (to_print != '\0')
 			printf("%c", to_print);

kernel/arch/io/keyb.c

@@ -1,4 +1,5 @@
 #include <stdbool.h>
+#include <stdint.h>
 
 #include <kernel/x86/keyb.h>