[Map] Medical revamp and major changes. (#4324)

Complete remap of the Medical main level. Expect bugs and missing
equipment.

Added a new isolation wing to Medical.

Changed the nuke's position, to a much safer, new location.

Added an alternative exit to the Bunker.

Added a new store that only the HoP can grant access into.
-Detective and CSI's offices have been moved to a level above Security.

New Security training area, for cadets and other uses you may find to
it.

New transfer/escape shuttle. Not the final version, probably. Test of
acceptance from the community in progress. Not entirely convince by the
design.

New Research-coloured folders (Sprite recolouring by Fire and Glory).

Slightly remapped Kitchen. Tighter on space, big on table surface
area.

New Research Office by Xenobiology, after a lot of requests.

Vault entrance has been redesigned to fit a bit more with its purpose.

A lot of bugfixes, missing stuff, and minor suggestions.

Fixes #4311.

Fixes #4225.

code/modules/modular_computers/file_system/programs/app_presets.dm

@@ -229,4 +229,16 @@
 		new/datum/computer_file/program/chatclient(),
 		new /datum/computer_file/program/merchant()
 	)
-	return _prg_list
+	return _prg_list
+
+/datum/modular_computer_app_presets/ai
+	name = "ai"
+	display_name = "AI"
+	description = "A preset for the AI consoles."
+	available = 0
+
+/datum/modular_computer_app_presets/ai/return_install_programs()
+	return list(
+		new /datum/computer_file/program/filemanager,
+		new /datum/computer_file/program/ntnetdownload
+	)