nix: add kde module

modules/linux/kde.nix

@@ -0,0 +1,29 @@
+{ config, lib, pkgs, ... }:
+
+{
+  services.desktopManager.plasma6.enable = true;
+
+  environment.plasma6.excludePackages = with pkgs.kdePackages; [
+    plasma-browser-integration
+    konsole
+    (lib.getBin qttools) # Expose qdbus in PATH
+    ark
+    elisa
+    gwenview
+    okular
+    kate
+    khelpcenter
+    #dolphin
+    baloo-widgets  # baloo information in Dolphin
+    dolphin-plugins
+    spectacle
+    ffmpegthumbs
+    krdp
+    gwenview
+    #xwaylandvideobridge
+  ];
+
+
+
+
+}