add: home-manager,hyprland,kitten and other extras

nixos/system/nix/default.nix

@@ -0,0 +1,25 @@
+{ config, pkgs, ... }:
+
+{
+  nix.settings = {
+    experimental-features = [ "nix-command" "flakes" ];
+
+    max-jobs = "auto";
+    cores = 0;
+
+    substituters = [
+      "https://cache.nixos.org"
+      "https://nix-community.cachix.org"
+    #  "https://noctalia.cachix.org"
+    #  "https://quickshell.cachix.org"
+    ];
+    trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    #  "noctalia.cachix.org-1:pCOR47nnMEo5thcxNDtzWpOxNFQsBRglJzxWPp3dkU4="
+    #  "quickshell.cachix.org-1:ZmizBFkDp6s3KRnFfGFtEHBblFdSVDpU2eH3b0iFkKkc="
+    ];
+  };
+
+  programs.nix-ld.enable = true;
+}