Elevates hats/headwear for Vaurca Workers/Warriors (#22113)

<img width="314" height="666" alt="image"
src="https://github.com/user-attachments/assets/a766dc88-337e-4edf-a019-7867a51518de"
/>
<img width="314" height="666" alt="image"
src="https://github.com/user-attachments/assets/ae3102c9-497c-4019-8a7e-04acd30cdc3b"
/>
No guarantee of it playing perfectly with every hat item, but it still
plays a lot better with most of them.

code/modules/mob/living/carbon/human/species/station/vaurca/vaurca.dm

@@ -203,3 +203,9 @@
 
 /datum/species/bug/sleep_examine_msg(var/mob/M)
 	return SPAN_NOTICE("[M.get_pronoun("He")] has locked [M.get_pronoun("his")] carapace in place, and is standing completely still.\n")
+
+/datum/species/bug/New()
+	..()
+	equip_adjust = list(
+		slot_head_str    = list("[EAST]" = list("x" = 0, "y" = 2), "[NORTH]" = list("x" = 0, "y" = 2), "[SOUTH]" = list("x" = 0, "y" = 2),  "[WEST]" = list("x" = 0, "y" = 2))
+	)

code/modules/mob/living/carbon/human/species/station/vaurca/vaurca_subspecies.dm

@@ -321,6 +321,9 @@
 	H.mutations |= HULK
 	return ..()
 
+/datum/species/bug/type_big/New()
+	..()
+
 /datum/species/bug/type_e
 	name = SPECIES_VAURCA_BULWARK
 	short_name = "vak"