add explicit pipewire config

modules/desktop/pipewire/default.nix

@@ -0,0 +1,33 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.desktop.pipewire;
+in {
+  options.desktop.pipewire = {
+    enable = lib.mkEnableOption "enable pipewire for sound!";
+  };
+
+  config = lib.mkIf cfg.enable {
+    security.rtkit.enable = true;
+
+    environment.systemPackages = with pkgs; [
+      qpwgraph # patching software
+      pavucontrol # volume mixer
+      pulsemixer
+    ];
+
+    services.pipewire = {
+      enable = true;
+      #wireplumber = {};
+      alsa = {
+        enable = true;
+        support32Bit = true;
+      };
+      pulse.enable = true;
+      jack.enable = true;
+    };
+  };
+}