moves gun related icons to guns folder (#57077)

moves ammo icons, projectile icons and hitscan effect icons to guns folder
renames projectile.dmi to ballistic.dmi so its less confusing
moves rcd ammo from ammo.dmi to tools.dmi with the rcd

code/modules/flufftext/Hallucination.dm

@@ -1183,7 +1183,7 @@ GLOBAL_LIST_INIT(hallucination_list, list(
 		halitem.plane = ABOVE_HUD_PLANE
 		switch(rand(1,6))
 			if(1) //revolver
-				halitem.icon = 'icons/obj/guns/projectile.dmi'
+				halitem.icon = 'icons/obj/guns/ballistic.dmi'
 				halitem.icon_state = "revolver"
 				halitem.name = "Revolver"
 			if(2) //c4