refactor system into only 3 files

system/adrift.nix

@@ -1,6 +1,26 @@
-{ config, pkgs, ... }:
+{ config, lib, pkgs, modulesPath, ... }:
 
 {
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/1C5C-8FF4";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  networking.useDHCP = lib.mkDefault true;
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   networking.hostName = "adrift"; # Define your hostname.
   services.xserver.videoDrivers = [ "i915" ];
   services.tlp.enable = true;
@@ -9,6 +29,7 @@
     isNormalUser = true;
     extraGroups = [ "wheel" ];
   };
+
   fileSystems."/" = {
     device = "/dev/mapper/nix-os";
     fsType = "ext4";