Restructure home and system modules

modules/system/desktop/plasma/default.nix

@@ -0,0 +1,42 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+let
+  cfg = config.modules.system.desktop.plasma;
+in
+{
+  options.modules.system.desktop.plasma = {
+    enable = mkEnableOption ''
+      Enable plasma with my custom configurations
+    '';
+  };
+  config = mkIf cfg.enable {
+    # Enable the X11 windowing system.
+    services.xserver.enable = true;
+
+    # Enable the KDE Plasma Desktop Environment.
+    services.displayManager = {
+      sddm.enable = true;
+      defaultSession = "plasma";
+    };
+    services.desktopManager.plasma6.enable = true;
+
+    programs.kdeconnect.enable = true;
+
+    environment.systemPackages = with pkgs; with kdePackages; [
+      krfb # Use by kdeconnect for virtualmonitorplugin "krfb-virtualmonitor"
+      discover
+
+      # Usefull for automatic informations collect software like KDE
+      vulkan-tools # For vulkaninfo command
+      wayland-utils # For wayland-info command
+      glxinfo
+      clinfo
+    ];
+
+    # Uncomment when kwin is available in nixpkgs and NVIDIA 555
+    nixpkgs.overlays = [
+      (import ../../../../overlays/kwin)
+    ];
+  };
+}