initial commit for module-refactor

modules/sys/software/module-test.nix

@@ -0,0 +1,11 @@
+{ pkgs, lib, config, ... }:
+{
+  options = {
+    testmodule.enable = lib.mkEnableOption "enables test module";
+  };
+  config = lib.mkIf config.testmodule.enable {
+    environment.systemPackages = with pkgs; [
+      hello
+    ];
+  };
+}