Begin the move to the import all, activate by config model

modules/system/programs/sway/default.nix

@@ -0,0 +1,16 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ./greetd
+    ./portals
+  ];
+
+  programs.sway = {
+    enable = config.system.desktop.enable;
+    package = pkgs.unstable.sway;
+    extraPackages = with pkgs; [ swaylock ];
+  };
+
+  services.dbus.enable = config.system.desktop.enable;
+  security.pam.services.swaylock = {};
+}