[plasma-manager] Add krohnkite

Adds korhnkite for automatic tiling WM behavior plus each keyboard
access to windows all within plasma

home/roles/desktop/default.nix

@@ -25,6 +25,9 @@ in
       
       # System utilities with GUI components
       (snapcast.override { pulseaudioSupport = true; })
+      
+      # KDE tiling window management
+      kdePackages.krohnkite  # Dynamic tiling extension for KWin 6
     ];
 
     programs.firefox = {