feat: initial commit

modules/core.nix

@@ -0,0 +1,39 @@
+{ den, ... }: {
+  den.aspects.core.nixos = { pkgs, ... }: {
+    nixpkgs.config.allowUnfree = true;
+
+    nix = {
+      settings = {
+        experimental-features = [ "nix-command" "flakes" ];
+        auto-optimise-store = true;
+        
+      };
+      gc = {
+        automatic = true;
+        dates = "weekly";
+        options = "--delete-older-than 7d";
+      };
+    };
+
+    services.xserver.xkb.layout = "us";
+
+    environment.systemPackages = with pkgs; [
+      curl 
+      wget 
+      neovim
+      btop
+      nixd
+    ];
+
+    services.pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+    };
+
+    networking.networkmanager.enable = true;
+    time.timeZone = "America/Sao_Paulo";
+    i18n.defaultLocale = "en_US.UTF-8";
+  };
+}