feature(argon): add config for argon

hosts/argon/configuration.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, inputs, ... }:
+
+{
+  imports = [
+    ../../modules/nixos/audio.nix
+    ../../modules/nixos/bootloader.nix
+    ../../modules/nixos/certificates.nix
+    ../../modules/nixos/docker.nix
+    ../../modules/nixos/gnupg.nix
+    ../../modules/nixos/locales.nix
+    ../../modules/nixos/networking.nix
+    ../../modules/nixos/niri.nix
+    ../../modules/nixos/noctalia.nix
+    ../../modules/nixos/openssh.nix
+    ../../modules/nixos/packages.nix
+    ../../modules/nixos/sddm.nix
+    ../../modules/nixos/services.nix
+    ../../modules/nixos/settings.nix
+    ../../modules/nixos/steam.nix
+    ../../modules/nixos/users.nix
+  ];
+
+  # install state version
+  system.stateVersion = "25.11"; # Don't change
+}
+

hosts/argon/hardware-configuration.nix

@@ -0,0 +1,39 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-crypt dm-mod" ];
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-label/nixcrypt";
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/mapper/lvmroot-root";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/AC1C-20EB";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/mapper/lvmroot-home";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/mapper/lvmroot-swap"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}