Adds Antag Tokens!

They're a novelty coin with a syndie helmet (valid) on one side and a salid (salid) on the other.
Found as a prize in arcade machines, Sec can also get one from their vendor as a premium item.

code/modules/mining/ores_coins.dm

@@ -280,6 +280,16 @@
 	sideslist = list("heads")
 	value = 20
 
+/obj/item/weapon/coin/antagtoken
+	name = "antag token"
+	icon_state = "coin_valid_valid"
+	cmineral = "valid"
+	desc = "A novelty coin that helps the heart know what hard evidence cannot prove."
+	sideslist = list("valid", "salid")
+	value = 20
+
+/obj/item/weapon/coin/antagtoken/New()
+	return
 
 /obj/item/weapon/coin/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
 	if(istype(W, /obj/item/stack/cable_coil))