Add nixpad configuration

hosts/default.nix

@@ -20,4 +20,16 @@ in {
       homes
     ];
   };
+
+  nixpad = nixpkgs.lib.nixosSystem {
+    specialArgs = {inherit inputs outputs;};
+    modules = [
+      # this list defines which files will be imported to be used as "modules" in the system config
+      ./nixpad/configuration.nix
+
+      # use the nixos-module for home-manager
+      home-manager
+      homes
+    ];
+  };
 }