[MIRROR] Splits projectiles into different files for readability (#5800)

* Splits projectiles into different files for readability

* Update tgstation.dme

* I love how the dme cleans itself up

code/modules/projectiles/boxes_magazines/external/sniper.dm

@@ -0,0 +1,26 @@
+/obj/item/ammo_box/magazine/sniper_rounds
+	name = "sniper rounds (.50)"
+	icon_state = ".50mag"
+	ammo_type = /obj/item/ammo_casing/p50
+	max_ammo = 6
+	caliber = ".50"
+
+/obj/item/ammo_box/magazine/sniper_rounds/update_icon()
+	if(ammo_count())
+		icon_state = "[initial(icon_state)]-ammo"
+	else
+		icon_state = "[initial(icon_state)]"
+
+/obj/item/ammo_box/magazine/sniper_rounds/soporific
+	name = "sniper rounds (Zzzzz)"
+	desc = "Soporific sniper rounds, designed for happy days and dead quiet nights..."
+	icon_state = "soporific"
+	ammo_type = /obj/item/ammo_casing/p50/soporific
+	max_ammo = 3
+	caliber = ".50"
+
+/obj/item/ammo_box/magazine/sniper_rounds/penetrator
+	name = "sniper rounds (penetrator)"
+	desc = "An extremely powerful round capable of passing straight through cover and anyone unfortunate enough to be behind it."
+	ammo_type = /obj/item/ammo_casing/p50/penetrator
+	max_ammo = 5