Move old config here

configurations/profile/os/default.nix

@@ -0,0 +1,6 @@
+{ config, pkgs, ... }:
+{ 
+  imports = [
+    ./nix.nix
+  ];
+}

configurations/profile/os/nix.nix

@@ -0,0 +1,23 @@
+{ config, pkgs, lib, inputs, materusPkgs, ... }:
+let
+  cfg = config.materus.profile.nix;
+in
+{
+  options.materus.profile.nix.enable = materusPkgs.lib.mkBoolOpt false "Enable materus nix settings";
+  config.nix = lib.mkIf cfg.enable {
+    package = pkgs.nixVersions.unstable;
+
+    settings = {
+      experimental-features = [ "nix-command" "flakes" "repl-flake" "no-url-literals" ];
+      auto-optimise-store = true;
+
+
+
+      substituters = [
+        "https://nix-community.cachix.org"
+        "https://cache.nixos.org/"
+      ];
+      trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" ];
+    };
+  };
+}