scaffold: add railscaffold

clientmods/scaffold/railscaffold.lua

@@ -0,0 +1,17 @@
+-- CC0/Unlicense Emilia 2020
+
+local dirt = {
+    "mesecons_torch:redstoneblock"
+}
+
+local saplings = {
+    "mcl_minecarts:golden_rail"
+}
+
+scaffold.register_template_scaffold("RailScaffold", "scaffold_rails", function(below)
+    local lp = vector.round(minetest.localplayer:get_pos())
+
+    if scaffold.place_if_needed(dirt, below) then
+        scaffold.place_if_needed(saplings, lp)
+    end
+end)