fix: gdt work I think

src/kernel.c

@@ -1,6 +1,8 @@
 #include "gdt.h"
 #include "shell.h"
 #include "terminal.h"
+#include "power.h"
+#include "gdt.h"
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -22,6 +24,6 @@ void kernel_main(void)
 	/* Initialize terminal interface */
 	terminal_initialize();
 
-	/* initGdt(); */
+	initGdt();
 	shell_init();
 }