host: add oreo

hosts/oreo/default.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }: {
+  imports = [
+    ./hardware.nix
+    ../../modules/core.nix
+    ../../modules/plasma.nix
+    ../../modules/security.nix
+  ];
+
+  networking.hostName = "oreo";
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  networking.networkmanager.enable = true;
+
+  programs.zsh.enable = true;
+
+  users.users.alex = {
+    isNormalUser = true;
+    shell = pkgs.zsh;
+    extraGroups = [ "wheel" "networkmanager" ];
+  };
+
+  system.stateVersion = "25.11";
+}

hosts/oreo/hardware.nix

@@ -0,0 +1,33 @@
+# 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 = [ "xhci_pci" "thunderbolt" "vmd" "nvme" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/5a8d96fe-20a7-40e8-bb27-f42f462123fc";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/9A43-44E9";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/021c3b9a-3d3b-4eab-ad72-c878bc39bfd5"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}