initial commit - cross reference with 5th port - obviously has compile errors

code/game/objects/items/devices/doorCharge.dm

@@ -0,0 +1,33 @@
+/obj/item/device/doorCharge
+	name = "airlock charge"
+	desc = null //Different examine for traitors
+	item_state = "electronic"
+	icon_state = "doorCharge"
+	w_class = 2
+	throw_range = 4
+	throw_speed = 1
+	flags = NOBLUDGEON
+	force = 3
+	attack_verb = list("blown up", "exploded", "detonated")
+	materials = list(MAT_METAL=50, MAT_GLASS=30)
+	origin_tech = "syndicate=1;combat=3;engineering=3"
+
+/obj/item/device/doorCharge/ex_act(severity, target)
+	switch(severity)
+		if(1)
+			visible_message("<span class='warning'>[src] detonates!</span>")
+			explosion(src.loc,0,2,1,flame_range = 4)
+			qdel(src)
+		if(2)
+			if(prob(50))
+				ex_act(1)
+		if(3)
+			if(prob(25))
+				ex_act(1)
+
+/obj/item/device/doorCharge/examine(mob/user)
+	..()
+	if(user.mind in ticker.mode.traitors) //No nuke ops because the device is excluded from nuclear
+		user << "A small explosive device that can be used to sabotage airlocks to cause an explosion upon opening. To apply, remove the airlock's maintenance panel and place it within."
+	else
+		user << "A small, suspicious object that feels lukewarm when held."