Factorio + some refactoring

flake.nix

@@ -4,12 +4,6 @@
 # https://grahamc.com/blog/erase-your-darlings/
 # https://github.com/Misterio77/nix-starter-configs
 
-## Build System
-# sudo rm -rf /etc/nixos/ && sudo cp ./ /etc/nixos/ && sudo nixos-rebuild switch
-
-## Build Iso
-# nix build -L .#packages.x86_64-linux.ll-nixos-full-iso
-
 ## Update Packages
 # nix flake update
 
@@ -20,7 +14,6 @@
 # https://github.com/nix-community/home-manager/issues/3415
 
 ## Declarative Disk Partioning
-# https://github.com/nix-community/disko
 # https://github.com/nix-community/nixos-anywhere-examples/blob/main/configuration.nix
 
 {
@@ -55,8 +48,11 @@
     locale = "en_US.UTF-8";
     stateVersion = "24.11";
 
-    pkgs = import nixpkgs { inherit system; };
-    pkgs-unstable = import nixpkgs-unstable { inherit system; };
+    pkgs = import nixpkgs {inherit system; };
+    pkgs-unstable = import nixpkgs-unstable {
+      inherit system;
+      config.allowUnfree = true;
+    };
 
     iso_modules = [
       "${nixpkgs}/nixos/modules/installer/cd-dvd/iso-image.nix"