kardorf: add ausweisapp

hosts/kardorf/default.nix

@@ -2,8 +2,7 @@
   pwd,
   pkgs,
   ...
-}:
+}: {
-{
   imports = [
     ./hardware-configuration.nix
 
@@ -37,6 +36,9 @@
   # Not using the drivers leads to way better results
   # services.xserver.videoDrivers = [ "nvidia" ];
 
+  programs.ausweisapp.enable = true;
+  programs.ausweisapp.openFirewall = true; # for pairing with smartphone
+
   modules = {
     syncthing = {
       enable = true;