Add idt module and set up IDT

src/hulk/hulk.d

@@ -14,6 +14,7 @@ import hulk.hurl;
 import hulk.hippo;
 import hulk.pci;
 import hulk.gdt;
+import hulk.idt;
 import hos.cpu;
 
 extern extern(C) __gshared ubyte _hulk_total_size;
@@ -35,6 +36,7 @@ void hulk_start()
 {
     cli();
     gdt.initialize();
+    idt.initialize();
     fb.initialize(cast(uint *)HULK_VIRTUAL_FRAMEBUFFER_ADDRESS, hulk_header.bootinfo.fb.width, hulk_header.bootinfo.fb.height, hulk_header.bootinfo.fb.stride);
     console.initialize();
     console.clear();