Add back steam deck, again?

hosts/jupiter/wireguard/default.nix

@@ -0,0 +1,23 @@
+{ lib, config, ... }:
+{
+  networking = {
+    firewall = {
+      allowedUDPPorts = [ 51820 ];
+      trustedInterfaces = [ "wgc" ];
+    };
+
+    wireguard.interfaces.wgc = {
+      ips = [ "10.100.0.21/24" ];
+      listenPort = 51820;
+      privateKey = config.secrets.wgClientPriv;
+      peers = [
+        { # Cyberspark Server
+          publicKey = "qnOT/lXOJMaQgDUdXpyfGZB2IEyUouRje2m/bCe9ux8=";
+          allowedIPs = [ "10.100.0.0/24" ];
+          endpoint = "sv.${config.domains.jim1}:51820";
+          persistentKeepalive = 25;
+        }
+      ];
+    };
+  };
+}