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

code/game/objects/items/stacks/sheets/sheets.dm

@@ -0,0 +1,11 @@
+/obj/item/stack/sheet
+	name = "sheet"
+	w_class = 3
+	force = 5
+	throwforce = 5
+	max_amount = 50
+	throw_speed = 1
+	throw_range = 3
+	attack_verb = list("bashed", "battered", "bludgeoned", "thrashed", "smashed")
+	var/perunit = MINERAL_MATERIAL_AMOUNT
+	var/sheettype = null //this is used for girders in the creation of walls/false walls