Traitors/nukeops can now buy borers

This adds a subtype of borers to the traitor uplink. This version cannot
reproduce and is loyal to the owner who released it.
The borer's objectives are tied to the objectives of their owner and
will greentext together with them.

code/modules/uplink/uplink_item.dm

@@ -822,6 +822,15 @@ var/list/uplink_items = list() // Global list so we only initialize this once.
 	cost = 1
 	surplus = 1
 
+/datum/uplink_item/stealthy_tools/syndi_borer
+	name = "Syndicate Brain Slug"
+	desc = "A small cortical borer, modified to be completely loyal to the owner. \
+			Genetically infertile, these brain slugs can assist medically in a support role, or take direct action \
+			to assist their host."
+	item = /obj/item/weapon/antag_spawner/syndi_borer
+	refundable = TRUE
+	cost = 5
+
 //Space Suits and Hardsuits
 /datum/uplink_item/suits
 	category = "Space Suits and Hardsuits"