feat: add luanti server and host

hosts/game-luanti/default.nix

@@ -0,0 +1,41 @@
+{
+  pkgs,
+  lib,
+  modulesPath,
+  ...
+}: {
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "25.05"; # Did you read the comment?
+
+  nixpkgs.config = {
+    # Disable if you don't want unfree packages
+    allowUnfree = true;
+  };
+  nix.settings.experimental-features = ["nix-command" "flakes"];
+
+  # https://lix.systems/ Lix is a modern, delicious implementation of the Nix package manager,
+  # focused on correctness, usability, and growth –
+  # and committed to doing right by its community.
+  nix.package = pkgs.lix;
+
+  imports = [
+    ./hardware-configuration.nix
+
+    ../../modules/locale.nix
+
+    ../../system_profiles/mini.nix
+    {
+      # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+      # (the default) this is the recommended approach. When using systemd-networkd it's
+      # still possible to use this option, but it's recommended to use it in conjunction
+      # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+      networking.useDHCP = lib.mkDefault true;
+      # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
+    }
+  ];
+}

hosts/game-luanti/hardware-configuration.nix

@@ -0,0 +1,6 @@
+{
+  lib,
+  ...
+}: {
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}