Add moreores compatibility

README.txt

@@ -1,6 +1,6 @@
 Minetest mod: boost_cart
 =======================
-Based on the mod "carts" by PilzAdam
+Based on (and fully compatible with) the mod "carts" by PilzAdam
 Target: Run smoothly and do not use too much CPU
 
 License of source code:

depends.txt

@@ -1,2 +1,3 @@
 default
 mesecons?
+moreores?

rails.lua

@@ -15,7 +15,10 @@ minetest.register_node(":default:rail", {
 	groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1},
 })
 
--- Copper rail
+if minetest.get_modpath("moreores") then
+	-- Moreores' copper rail
+	minetest.register_alias("carts:copperrail", "moreores:copper_rail")
+else
 	minetest.register_node(":carts:copperrail", {
 		description = "Copper rail",
 		drawtype = "raillike",
@@ -41,6 +44,7 @@ minetest.register_craft({
 			{"default:copper_ingot", "group:stick", "default:copper_ingot"},
 		}
 	})
+end
 
 -- Speed up