Refactor modules style

nixosModules/services/pipewire/default.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, lib, ... }:
+
+{
+  options = {
+    pipewire.enable = lib.mkEnableOption "Enables pipewire and pulsemixer";
+  };
+
+  config = lib.mkIf config.pipewire.enable {
+    security.rtkit.enable = true;
+    services.pipewire = {
+      enable = true;
+      wireplumber.enable = true;
+      alsa.enable = false;
+      alsa.support32Bit = false;
+      pulse.enable = true;
+      environment.systemPackages = with pkgs; [
+        pulsemixer
+      ];
+    };
+  };
+}