refactor: added flake parts

modules/hosts/nixos/horizon/hardware-configuration.nix

@@ -0,0 +1,47 @@
+{...}: {
+  # 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.
+  flake.nixosModules.horizonHardwareConfiguration = {
+    config,
+    lib,
+    modulesPath,
+    ...
+  }: {
+    imports = [
+      (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+    boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "nvme"];
+    boot.initrd.kernelModules = [];
+    boot.kernelModules = ["kvm-intel"];
+    boot.extraModulePackages = [];
+
+    fileSystems = {
+      "/" = {
+        device = "/dev/disk/by-uuid/866d422b-f816-4ad9-9846-791839cb9337";
+        fsType = "ext4";
+      };
+
+      "/boot" = {
+        device = "/dev/disk/by-uuid/E138-65B5";
+        fsType = "vfat";
+      };
+    };
+
+    swapDevices = [
+      {device = "/dev/disk/by-uuid/be98e952-a072-4c3a-8c12-69500b5a2fff";}
+    ];
+
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # (the default) this is the recommended approach. When using systemd-networkd it's
+    # still possible to use this option, but it's recommended to use it in conjunction
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    networking.useDHCP = lib.mkDefault true;
+    # networking.interfaces.tailscale0.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp170s0.useDHCP = lib.mkDefault true;
+
+    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
+}