Register node as MVPS stopper

.luacheckrc

@@ -7,7 +7,7 @@ read_globals = {
 	"PseudoRandom", "ItemStack",
 	"AreaStore",
 	"default",
-	"player_api",
+	"mesecon",
 }
 
 globals = {

depends.txt

@@ -1,2 +0,0 @@
-default
-player_api

init.lua

@@ -8,3 +8,7 @@ exchange_shop.S = minetest.get_translator("exchange_shop")
 local modpath = minetest.get_modpath("exchange_shop")
 dofile(modpath .. "/shop_functions.lua")
 dofile(modpath .. "/shop.lua")
+
+if mesecon and mesecon.register_mvps_stopper then
+	mesecon.register_mvps_stopper(exchange_shop.shopname)
+end

mod.conf

@@ -1,3 +1,4 @@
 name = exchange_shop
 description = An improved exchange shop
 depends = default
+optional_depends = mesecons_mvps