update system

overlays/matugen/hm-module.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  cfg = config.programs.matugen;
+in
+{
+  options.programs.matugen = {
+    enable = lib.mkEnableOption "matugen";
+    package = lib.mkPackageOption pkgs "matugen" { };
+    settings = lib.mkOption { type = lib.types.attrs; };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+    xdg.configFile."matugen/config.toml".source = lib.mkIf (cfg.settings != null) (
+      (pkgs.formats.toml { }).generate "matugen" cfg.settings
+    );
+  };
+}