Adds supply shuttle docking controllers

code/modules/recycling/conveyor2.dm

@@ -6,6 +6,7 @@
 	icon_state = "conveyor0"
 	name = "conveyor belt"
 	desc = "A conveyor belt."
+	layer = 2			// so they appear under stuff
 	anchored = 1
 	var/operating = 0	// 1 if running forward, -1 if backwards, 0 if off
 	var/operable = 1	// true if can operate (no broken segments in this belt run)

code/modules/shuttles/shuttle.dm

@@ -128,8 +128,11 @@ var/global/list/shuttles
 	//Supply and escape shuttles.
 	shuttle = new/datum/shuttle/ferry/supply()
 	shuttle.location = 1
+	shuttle.warmup_time = 10
 	shuttle.area_offsite = locate(/area/supply/dock)
 	shuttle.area_station = locate(/area/supply/station)
+	shuttle.docking_controller_tag = "supply_shuttle"
+	shuttle.dock_target_station = "cargo_bay"
 	shuttles["Supply"] = shuttle
 
 	// Admin shuttles.