Add mods: technic, moreores, paintings, Nyancat (Pbj_pup). Small fix: sandwiches

mods/technic_plus_beta/technic_worldgen/config.lua

@@ -0,0 +1,16 @@
+technic.config = technic.config or Settings(minetest.get_worldpath().."/technic.conf")
+
+local conf_table = technic.config:to_table()
+
+local defaults = {
+	enable_granite_generation = "true",
+	enable_marble_generation = "true",
+	enable_rubber_tree_generation = "true",
+	enable_steel_override = "true",
+}
+
+for k, v in pairs(defaults) do
+	if conf_table[k] == nil then
+		technic.config:set(k, v)
+	end
+end