add core configuration

modules/wayland/default.nix

@@ -0,0 +1,37 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  cfg = config.lily.wayland;
+in {
+  options.lily.wayland.enable = lib.mkEnableOption "activate wayland";
+  config = lib.mkIf cfg.enable {
+    programs.xwayland.enable = true;
+    environment.systemPackages = with pkgs;
+      [
+        wl-clipboard
+        xwayland
+        xwaylandvideobridge
+        wayland-utils
+        wev
+      ]
+      ++ lib.optionals (config.lily.plasma.enable) [kdePackages.plasma-wayland-protocols];
+    environment.sessionVariables = {
+      NIXOS_OZONE_WL = "1";
+      MOZ_ENABLE_WAYLAND = "1";
+      QT_QUICK_CONTROLS_STYLE = "org.kde.desktop";
+      SDL_VIDEODRIVER = "wayland";
+      CLUTTER_BACKEND = "wayland";
+      QT_QPA_PLATFORM = "wayland;xcb";
+      XDG_SESSION_TYPE = "wayland";
+      GDK_BACKEND = "wayland,x11";
+    };
+    services.dbus.enable = true;
+    security = {
+      polkit.enable = true;
+      rtkit.enable = true;
+    };
+  };
+}