tweak skateboard crashes, gives brain damage (#32885)

* tweak skateboard crashes

* helmet stops brain damage

* add hardhat

code/modules/vehicles/scooter.dm

@@ -57,6 +57,9 @@
 		H.throw_at(throw_target, 4, 3)
 		H.Knockdown(100)
 		H.adjustStaminaLoss(40)
+		if(!istype(H.head,/obj/item/clothing/head/helmet/) && !istype(H.head,/obj/item/clothing/head/hardhat))
+			H.adjustBrainLoss(3)
+			H.updatehealth()
 		visible_message("<span class='danger'>[src] crashes into [A], sending [H] flying!</span>")
 		playsound(src, 'sound/effects/bang.ogg', 50, 1)
 
@@ -131,4 +134,4 @@
 				var/mob/living/carbon/H = buckled_mobs[1]
 				unbuckle_mob(H)
 				S.buckle_mob(H)
-			qdel(src)
+			qdel(src)