treewide: move nixos modules

modules/nixos/graphical/sound/default.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, ... }:
+
+{
+  options.chvp.graphical.sound.enable = lib.mkOption {
+    default = false;
+    example = true;
+  };
+
+  config = lib.mkIf config.chvp.graphical.sound.enable {
+    chvp.base.zfs.homeLinks = [
+      { path = ".local/state/wireplumber"; type = "cache"; }
+    ];
+
+    home-manager.users.charlotte = { ... }: {
+      home.packages = with pkgs; [
+        pavucontrol
+        qjackctl
+      ];
+    };
+
+    services = {
+      pipewire = {
+        enable = true;
+        alsa.enable = true;
+        jack.enable = true;
+        pulse.enable = true;
+      };
+    };
+  };
+}