Desktop: adding plasma6 to the stack

modules/desktop/skeleton/plasma.nix

@@ -0,0 +1,37 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.attrsets) attrValues;
+  inherit (lib.modules) mkIf;
+in {
+  options.modules.desktop.plasma = let
+    inherit (lib.options) mkEnableOption;
+  in {enable = mkEnableOption "modern desktop environment";};
+
+  config = mkIf config.modules.desktop.plasma.enable {
+    modules.desktop = {
+      envProto = "wayland";
+      extensions.input-method = {
+        enable = true;
+        framework = "fcitx5";
+      };
+    };
+
+    programs.dconf.enable = true;
+
+    services.xserver.desktopManager = {
+      plasma6 = {
+        enable = true;
+        enableQt5Integration = false;
+        excludePackages = attrValues {
+          inherit (pkgs.kdePackages) konsole oxygen;
+        };
+      };
+      defaultSession = "plasmawayland";
+    };
+  };
+}