Add further Plasma options in config and user configuration

modules/plasma.nix

@@ -19,6 +19,12 @@ with lib; {
         desktopManager.plasma5.enable = true;
       };
 
+      services.gnome3.gnome-keyring.enable = true;
+      security.pam.services.sddm = {
+        enableGnomeKeyring = true;
+        gnupg.enable = true;
+      };
+
       environment.systemPackages = with pkgs; [
         firefox
         thunderbird

users/ellmau/default.nix

@@ -19,6 +19,8 @@
 
     ./sway.nix
     ./waybar.nix
+
+    ./graphical.nix
   ];
   services = {
     gnome-keyring = {

users/ellmau/graphical.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; {
+  config = let
+    cfg = nixosConfig.elss.graphical;
+  in
+    mkIf cfg.enable {
+      services = {
+        gtk.enable = true;
+        blueman-applet.enable = true;
+        home.file.".background-image".source = ../../common/wallpaper/nix-wallpaper-nineish-dark-gray.png;
+      };
+    };
+}