Add tailscale client to desktops

hosts/desktop.nix

@@ -21,6 +21,12 @@ with lib.my;
   console.keyMap = "uk";
 
   services.printing.enable = true;
+  services.tailscale.enable = true;
+  networking.firewall = {
+    checkReversePath = "loose";
+    trustedInterfaces = [ "tailscale0" ];
+    allowedUDPPorts = [ config.services.tailscale.port ];
+  };
 
   sound.enable = true;
   hardware.pulseaudio.enable = false;