feat: add c2 and fix code-server

hosts/c2/configuration.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports =[
+    ./hardware-configuration.nix
+  ];
+  nasp = {
+    enable = true;
+    cSeries = {
+      enable = true;
+      serial = 2;
+      ethLanName = "ens16f0";
+    };
+  };
+  system.stateVersion = "25.05";
+}

hosts/c2/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 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" "smartpqi" "nvme" "usbhid" "uas" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+  networking.hostId = "8529b8ea";
+
+  fileSystems."/" = {
+    device = "root/system";
+    fsType = "zfs";
+  };
+
+  fileSystems."/home2" = {
+    device = "data/home2";
+    fsType = "zfs";
+  };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/01A3-4293";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/32b1a7d9-e65a-4212-b278-e0602c9392eb"; }
+      { device = "/dev/disk/by-uuid/3d2e1ae9-3110-43eb-b553-cf91eb7d711d"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}