mv mouse's config software to module

modules/nix/utilities/default.nix

@@ -2,5 +2,6 @@
 {
   imports = [
     ./gui-utilities.nix
+    ./mouse.nix
   ];
 }

modules/nix/utilities/mouse.nix

@@ -0,0 +1,16 @@
+{  lib, config, pkgs, ... }:
+let
+  inherit (lib) mkIf mkOption types;
+in
+{
+  options.smayzy.mouse.enable = mkOption {
+    type = types.bool;
+    default = false;
+    description = "mouse's config software : piper";
+  };
+
+  config = mkIf config.smayzy.mouse.enable {
+    environment.systemPackages = with pkgs; [ piper ];
+    services.ratbagd.enable = true;
+  };
+}