Add agares configuration

nixos/agares/hardware-configuration.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" "ahci" "ehci_pci" "usb_storage" "sd_mod" "sdhci_pci" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/sda1";
+    fsType = "btrfs";
+    options = [ "subvol=root" ];
+  };
+
+  swapDevices = [ ];
+
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  networking.useDHCP = lib.mkDefault false;
+  networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+  networking.interfaces.enp2s0.useDHCP = lib.mkDefault true;
+  networking.interfaces.enp3s0.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}