enable wivrn firewall + ratbagd for piper

hosts/desktop/configuration.nix

@@ -44,9 +44,11 @@
     powerOnBoot = false;
   };
 
-  networking.hostName = "nixos-desktop";
-  networking.firewall.enable = true;
-  networking.networkmanager.enable = true;
+  networking = {
+    hostName = "nixos-desktop";
+    networkmanager.enable = true;
+    firewall.enable = false;
+  };
 
   # Set your time zone.
   time.timeZone = "Europe/Berlin";
@@ -116,6 +118,8 @@
   services.rsync.enable = true;
   programs.neovim.enable = true;
 
+  services.ratbagd.enable = true;
+
   programs.gnupg.agent = {
     enable = true;
     pinentryPackage = pkgs.pinentry-curses;