refactor: change structure and start using home-manager

hosts/default/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 0x29a nixos hardware configuration
+
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  # boot and initrd configs
+  boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" "cryptd" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-label/nixcrypt";
+
+  # file systems
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/nixroot";
+      fsType = "ext4";
+    };
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-label/nixboot";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+  fileSystems."/home" =
+    { device = "/dev/disk/by-label/nixhome";
+      fsType = "ext4";
+    };
+  swapDevices =
+    [ { device = "/dev/disk/by-label/nixswap"; }
+    ];
+
+  # enable dhcp on all interfaces
+  networking.useDHCP = lib.mkDefault true;
+
+  # set host arch
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}