Make tracker implants purchaseable from operations (#22066)

Inspired by a recent rev round where there was not enough of them, now
it is possible to order the trackers. I'm not too sure if the price is
good or not though, but we'll see.

---------

Signed-off-by: Casper3667 <8396443+Casper3667@users.noreply.github.com>
Co-authored-by: SleepyGemmy <99297919+SleepyGemmy@users.noreply.github.com>

code/modules/cargo/items/security.dm

@@ -56,6 +56,20 @@
 	groupable = TRUE
 	spawn_amount = 1
 
+/singleton/cargo_item/implant_tracker
+	category = "security"
+	name = "box of tracking implants"
+	supplier = "nanotrasen"
+	description = "A full implant kit with tracker implants to keep check on prisoners."
+	price = 600
+	items = list(
+		/obj/item/storage/box/tactical/trackimp
+	)
+	access = ACCESS_SECURITY
+	container_type = "crate"
+	groupable = TRUE
+	spawn_amount = 1
+
 /singleton/cargo_item/maglight
 	category = "security"
 	name = "maglight"