add sway module

modules/default.nix

@@ -1,3 +1,5 @@
 {
-  imports = [];
+  imports = [
+    ./sway
+  ];
 }

modules/sway/default.nix

@@ -0,0 +1,13 @@
+{
+  config,
+  lib,
+  pkgs,
+  doctrine,
+  ...
+}:
+doctrine.lib.mkModule {
+  inherit config;
+  name = "sway";
+  sys = ./sys.nix;
+  options = ./options.nix;
+}

modules/sway/options.nix

@@ -0,0 +1,3 @@
+{...}: {
+  sys = {};
+}

modules/sway/sys.nix

@@ -0,0 +1,45 @@
+{
+  pkgs,
+  lib,
+  ...
+}: {
+  services.libinput.enable = true;
+  hardware.graphics.enable = true;
+
+  xdg.portal = {
+    enable = true;
+    wlr.enable = true;
+    extraPortals = with pkgs; [xdg-desktop-portal-gtk];
+    xdgOpenUsePortal = true;
+
+    # warning: xdg-desktop-portal 1.17 reworked how portal implementations are loaded, you
+    # should either set `xdg.portal.config` or `xdg.portal.configPackages`
+    # to specify which portal backend to use for the requested interface.
+    #
+    # https://github.com/flatpak/xdg-desktop-portal/blob/1.18.1/doc/portals.conf.rst.in
+    #
+    # If you simply want to keep the behaviour in < 1.17, which uses the first
+    # portal implementation found in lexicographical order, use the following:
+    #
+    # xdg.portal.config.common.default = "*";
+    config.common.default = "*";
+  };
+
+  environment = {
+    sessionVariables.NIXOS_OZONE_WL = "1";
+
+    systemPackages = with pkgs; [
+      qt5.qtwayland
+      qt6.qtwayland
+    ];
+  };
+
+  programs = {
+    gtklock = {
+      enable = lib.mkDefault true;
+
+      config = {};
+      modules = [];
+    };
+  };
+}