prep for tin

prototypes/categories.lua

@@ -3,3 +3,12 @@ data:extend({
   { type = "item-subgroup", name = "founding-machines", group = "production"},
   { type = "item-subgroup", name = "foundry-intermediate", group = "intermediate-products"},
 })
+
+if mods.bztin or mods.bzaluminum then
+data:extend({
+  { type = "recipe-category", name = "basic-founding"},
+})
+for i, character in pairs(data.raw.character) do
+  table.insert(character.crafting_categories, "basic-founding")
+end
+end

prototypes/entity/electric-foundry.lua

@@ -158,3 +158,5 @@ data:extend({
   },
 
 })
+
+futil.add_crafting_category("assembling-machine", "electric-foundry", "basic-founding")

prototypes/entity/foundry.lua

@@ -114,3 +114,5 @@ data:extend({
   },
 
 })
+
+futil.add_crafting_category("assembling-machine", "foundry", "basic-founding")