Increases the price of automatic weapons and some handguns (#3111)

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## About The Pull Request

Self explanatory. Also slightly nerfs the price on pistols to make them
more balanced compared to revolvers.

## Why It's Good For The Game

Automatics are EXTREMELY powerful and it's supposed to be a big deal to
equip everyone or most people in a crew with them. ESPECIALLY AR's.
Pistols one is more to just make revolvers more viable.

## Changelog

:cl:

balance: Doubled the price on every automatic gun and added 250 credits
to the price of every semi-auto pistol.
/:cl:

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---------

Signed-off-by: Martinpachu <[email protected]>
Co-authored-by: Theos <[email protected]>

code/modules/cargo/packs/gun.dm

@@ -23,19 +23,19 @@
 /datum/supply_pack/gun/commanders
 	name = "Commander Pistol Crate"
 	desc = "Contains a modified Candor 'Commander' pistol, produced by Nanotrasen and chambered in 9mm."
-	cost = 750
+	cost = 1000
 	contains = list(/obj/item/storage/pistolcase/commander)
 
 /datum/supply_pack/gun/makarovs
 	name = "Stechkin Pistol Crate"
 	desc = "Contains a concealable stechkin pistol, produced by Scarborough Arms and chambered in 10mm."
-	cost = 1000
+	cost = 1250
 	contains = list(/obj/item/storage/pistolcase/stechkin)
 
 /datum/supply_pack/gun/candors
 	name = "Candor Pistol Crate"
 	desc = "Contains a Candor pistol, the trusty sidearm of any spacer, produced by Hunter's Pride and chambered in .45 ACP."
-	cost = 1000
+	cost = 1250
 	contains = list(/obj/item/storage/pistolcase/candor)
 
 /datum/supply_pack/gun/pepperbox
@@ -165,28 +165,28 @@
 /datum/supply_pack/gun/cobra20
 	name = "Cobra-20 SMG Crate"
 	desc = "Contains a .45 submachine gun, manufactured by Scaraborough Arms and chambered in .45"
-	cost = 3000
+	cost = 6000
 	contains = list(/obj/item/storage/guncase/cobra)
 	crate_name = "SMG crate"
 
 /datum/supply_pack/gun/wt550
 	name = "WT-550 Auto Rifle Crate"
 	desc = "Contains a high-powered, automatic personal defense weapon chambered in 4.6x30mm."
-	cost = 4000
+	cost = 6000
 	contains = list(/obj/item/storage/guncase/wt550)
 	crate_name = "auto rifle crate"
 
 /datum/supply_pack/gun/p16
 	name = "P16 Assault Rifle Crate"
 	desc = "Contains a high-powered, automatic rifle chambered in 5.56mm."
-	cost = 5000
+	cost = 9000
 	contains = list(/obj/item/storage/guncase/p16)
 	crate_name = "auto rifle crate"
 
 /datum/supply_pack/gun/skm
 	name = "SKM-24 Rifle Crate"
 	desc = "Contains a high-powered, automatic rifle chambered in 7.62x40mm CLIP."
-	cost = 5000
+	cost = 9000
 	contains = list(/obj/item/storage/guncase/skm)
 	crate_name = "auto rifle crate"