Move folder

system/modules/nixsettings.nix

@@ -0,0 +1,23 @@
+{ config, pkgs, ... }:
+
+{
+  documentation.nixos.enable = false;
+
+  nixpkgs.config.allowUnfree = true;
+
+  nix = {
+    settings = {
+      warn-dirty = false;
+      experimental-features = [ "nix-command" "flakes" ];
+      auto-optimise-store = true;
+      substituters = ["https://nix-gaming.cachix.org"];
+      trusted-public-keys = ["nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="];
+    };
+
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+  };
+}