Adds snowfall nix template.

flake.nix

@@ -0,0 +1,20 @@
+{
+  description = "My NixOS / nix-darwin / nixos-generators systems";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
+    unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    snowfall-lib = {
+      url = "github:snowfallorg/lib";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs:
+    inputs.snowfall-lib.mkFlake {
+      inherit inputs;
+
+      src = ./.;
+    };
+}

modules/snowfall/default.nix

@@ -0,0 +1,17 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.snowfallorg.example;
+in {
+  options.snowfallorg.example = {
+    enable = lib.mkEnableOption "Snowfall Example";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.variables = {
+      SNOWFALLORG_EXAMPLE = "enabled";
+    };
+  };
+}

systems/x86_64-linux/example/default.nix

@@ -0,0 +1,18 @@
+{pkgs, ...}: {
+  imports = [./hardware.nix];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  users.users.example = {
+    isNormalUser = true;
+    extraGroups = ["wheel"];
+  };
+
+  environment.systemPackages = with pkgs; [
+    neovim
+    firefox
+  ];
+
+  system.stateVersion = "22.05";
+}

systems/x86_64-linux/example/hardware.nix

@@ -0,0 +1,21 @@
+{modulesPath, ...}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-label/nixos";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/nixos";
+    fsType = "vfat";
+  };
+
+  swapDevices = [
+    {device = "/dev/disk/by-label/swap";}
+  ];
+
+  networking.useDHCP = true;
+}