Adds the NTSS Shadow Emergency Shuttle (#70626)

Adds another emergency shuttle to the game and also adds a new emergency shuttle area.

People like shuttle diversity and are generally positive about new additions to their Purchase Shuttle list.

code/datums/shuttles.dm

@@ -459,6 +459,12 @@
 	description = "A luxurious casino packed to the brim with everything you need to start new gambling addicitions!"
 	admin_notes = "The ship is a bit chunky, so watch where you park it."
 	credit_cost = 7777
+	
+/datum/map_template/shuttle/emergency/shadow
+	suffix = "shadow"
+	name = "The NTSS Shadow"
+	description = "Guaranteed to get you somewhere FAST. With a custom-built plasma engine, this bad boy will put more distance between you and certain danger than any other!"
+	credit_cost = CARGO_CRATE_VALUE * 50
 
 /datum/map_template/shuttle/ferry/base
 	suffix = "base"

code/game/area/areas/shuttles.dm

@@ -187,6 +187,9 @@
 /area/shuttle/escape/meteor
 	name = "\proper a meteor with engines strapped to it"
 	luminosity = NONE
+	
+/area/shuttle/escape/engine
+	name = "Escape Shuttle Engine"
 
 /area/shuttle/transport
 	name = "Transport Shuttle"