Add translation support

interact.lua

@@ -1,3 +1,4 @@
+local S = minetest.get_translator("areas")
 
 local old_is_protected = minetest.is_protected
 function minetest.is_protected(pos, name)
@@ -11,7 +12,7 @@ minetest.register_on_protection_violation(function(pos, name)
 	if not areas:canInteract(pos, name) then
 		local owners = areas:getNodeOwners(pos)
 		minetest.chat_send_player(name,
-			("%s is protected by %s."):format(
+			S("@1 is protected by @2.",
 				minetest.pos_to_string(pos),
 				table.concat(owners, ", ")))
 	end