nixy to home manager module

Signed-off-by: Hadi <hadi@example.com>

home/programs/nixy/default.nix

@@ -6,10 +6,26 @@
 #- - `nixy rebuild` - Rebuild the system.
 #- - `nixy ...` - ... see the script for more commands.
 {
-  pkgs,
   config,
+  lib,
+  pkgs,
   ...
-}: let
-  inherit (config.var) configDirectory;
-  nixy = import ./package.nix {inherit pkgs configDirectory;};
-in {home.packages = [nixy];}
+}: {
+  options.programs.nixy = {
+    enable = lib.mkEnableOption "nixy";
+    configDirectory = lib.mkOption {
+      type = lib.types.str;
+      default = "$HOME/.config/nixos";
+      description = "Path to the NixOS configuration directory";
+    };
+  };
+
+  config = lib.mkIf config.programs.nixy.enable {
+    home.packages = [
+      (import ./package.nix {
+        inherit pkgs;
+        inherit (config.programs.nixy) configDirectory;
+      })
+    ];
+  };
+}