split configs

modules/nixpkgs.nix

@@ -0,0 +1,21 @@
+{...}: {
+  config = {
+    nixpkgs.config = {
+      allowUnfree = true;
+      permittedInsecurePackages = [
+        "electron-12.2.3"
+      ];
+    };
+
+    system = {
+      stateVersion = "22.11";
+      # enable auto updates
+      autoUpgrade.enable = true;
+    };
+
+    nix.gc = {
+      automatic = true;
+      dates = "00:30";
+    };
+  };
+}