Adds a maint ruin with the experimental tools (#20551)

* Secure loot or something idk

* get rid of random loot just replaces it with a safe

_maps/RandomRuins/StationRuins/maint/3x5/3x5_experimental.dmm

@@ -0,0 +1,41 @@
+//MAP CONVERTED BY dmm2tgm.py THIS HEADER COMMENT PREVENTS RECONVERSION, DO NOT REMOVE
+"a" = (
+/turf/open/floor/plating,
+/area/template_noop)
+"t" = (
+/obj/effect/decal/cleanable/shreds,
+/turf/open/floor/plating,
+/area/template_noop)
+"w" = (
+/obj/item/crowbar/red/caravan,
+/obj/item/wirecutters/caravan,
+/obj/item/wrench/caravan,
+/obj/item/screwdriver/caravan,
+/obj/structure/safe{
+	number_of_tumblers = 6
+	},
+/obj/machinery/light/floor,
+/turf/open/floor/plating,
+/area/template_noop)
+
+(1,1,1) = {"
+a
+a
+t
+a
+a
+"}
+(2,1,1) = {"
+t
+a
+w
+a
+a
+"}
+(3,1,1) = {"
+a
+a
+a
+a
+t
+"}

yogstation/code/datums/ruins/station.dm

@@ -643,6 +643,11 @@
 	suffix = "3x5_checkpoint.dmm"
 	name = "Maint checkpoint"
 
+/datum/map_template/ruin/station/maint/threexfive/experimental
+	id = "experimental"
+	suffix = "3x5_experimental.dmm"
+	name = "Secure Loot"
+
 /datum/map_template/ruin/station/maint/threexfive/hank
 	id = "hank"
 	suffix = "3x5_hank.dmm"