Adds geiger counters to autolathes (#19346)

Title. Particularly useful while we're on Moghes, as other than those
mapped in engineering/in the engineering vendor, there is no way to
acquire these.

code/game/machinery/autolathe/autolathe_datums.dm

@@ -59,6 +59,11 @@
 	path = /obj/item/device/multitool
 	category = "Tools"
 
+/singleton/autolathe_recipe/geiger
+	name = "geiger counter"
+	path = /obj/item/device/geiger
+	category = "Tools"
+
 /singleton/autolathe_recipe/t_scanner
 	name = "T-ray scanner"
 	path = /obj/item/device/t_scanner

code/game/objects/items/devices/geiger.dm

@@ -6,6 +6,8 @@
 	item_state = "multitool"
 	w_class = ITEMSIZE_SMALL
 	action_button_name = "Toggle geiger counter"
+	matter = list(MATERIAL_PLASTIC = 100, DEFAULT_WALL_MATERIAL = 100, MATERIAL_GLASS = 50)
+	origin_tech = list(TECH_MAGNET = 1, TECH_ENGINEERING = 1)
 	var/scanning = 0
 	var/radiation_count = 0
 	var/datum/sound_token/sound_token