Added klog as a new logging system

* The logging system sends the message to both VGA and serial
* The serial print uses color to indicate the category of the message

Message Categories  |  Colours
Debug			Green
Info			Blue
Error			Red

kernel/klog.h

@@ -0,0 +1,12 @@
+//
+// Created by nigel on 10/28/23.
+//
+#pragma once
+
+#include "drivers/serial/serial.h"
+
+
+
+void print_dbg(const char* message, ...);
+void print_info(const char* message, ...);
+void print_err(const char* message, ...);