first commit

modules/system.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+{
+  nix = {
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      sandbox = true;
+    }; 
+  };
+  nixpkgs = {
+    config = {
+      allowUnfree = true; 
+      permittedInsecurePackages = [
+        "librewolf-151.0.2-1"
+        "librewolf-unwrapped-151.0.2-1"        
+      ];
+    };
+  };
+  system = {
+    stateVersion = "26.05";
+  };
+}