Add console escape sequences to draw headings

src/hulk/rtc.d

@@ -44,6 +44,8 @@ struct Rtc
 
     public static void initialize()
     {
+        Klog.writefln("\a3Initializing RTC");
+
         /* Enable IRQ 8 to receive RTC interrupts. */
         ubyte sr_b = read_register(REG_SR_B, true);
         write_register(REG_SR_B, sr_b | SR_B_ENABLE_IRQ, true);