Add console escape sequences to draw headings

src/hulk/hulk.d

@@ -69,7 +69,7 @@ void hulk_start()
     Console.clear();
     Klog.initialize();
 
-    Klog.writefln("Welcome to HULK, the HOS UltraLight Kernel!");
+    Klog.writefln("\a5Welcome to HULK, the HOS UltraLight Kernel!");
 
     Hurl.initialize(&hulk_header);
     Pic.initialize();