added beszel agent

hosts/docker/configuration.nix

@@ -41,6 +41,14 @@ boot.zfs.forceImportRoot = false;
 #    experimental = true;
 #  };
 };
+
+services.beszel.agent.enable = true;
+services.beszel.agent.environment = [
+DOCKER_HOST = tcp://docker-socket-proxy:2375
+HUB_URL = http://beszel:8090
+KEY = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA2Snq66P/6GwTEafKuu3D/V1f7ofjKL9GD6ik+Kf/Gn"
+TOKEN = "235b3-25a94f482-84576-40d34c48"];
+
   services.tailscale.enable = true;
   # Enable docker-compose
   environment.systemPackages = with pkgs; [