Assmos part 1, #2 (#30791)

* First part of Assmos

* Adds tritium synthesis and basic in-body effects.

* Begins adding the higher tier gases. Removes Freon(not completely yet) adds new gases to scrubers. Fixes some dumb bugs.

* Whoops

* Adds effects and synthesis reactions for pluoxium and stimulum

* Kills Freon.

* Adds sprites

* Removes the magic numbers

* Hyper-Nobelium formation

* Removes Freon from maps.

* Initial Dunc Review changes

* Should ACTUALLY fix the maps this time.

* Dunc Final Review

* Debugging part 1

* Fixes brown gas synthesis

* Auto stash before merge of "assmos-pathconflicts" and "origin/master"

* fix compile errors

* Moves defines. Fixes stimulum coefficents.

* Reworks how Stim and brown gas work, adds tritium to tile fires, fixes a lot of general reaction bugs.

* fixes typo

* Hopefully fixes UI

* compiles tgui

* Tritium balance.

code/modules/holodeck/turfs.dm

@@ -106,7 +106,7 @@
 	slowdown = 2
 
 /turf/open/floor/holofloor/snow/cold
-	initial_gas_mix = "freon=7500;TEMP=0"
+	initial_gas_mix = "nob=7500;TEMP=2.7"
 
 /turf/open/floor/holofloor/asteroid
 	name = "asteroid sand"