enable wacom grpahics tablet driver and add notes app

home/home.nix

@@ -60,6 +60,7 @@ let
     luminanceHDR
     exiftool
     gimp
+    xournal
   ]
   ++ (
     with gimpPlugins; [

nixos/configuration.nix

@@ -140,6 +140,9 @@ in
   # Enable touchpad support.
   services.xserver.libinput.enable = true;
 
+  # while libinput also supports graphic tablets, enable more-specific wacom driver
+  services.xserver.wacom.enable = true;
+
   # Enable the KDE Desktop Environment.
   services.xserver.displayManager.sddm.enable = true;
   services.xserver.desktopManager.plasma5.enable = true;