chore: Abstract machines and modules

This adds subdirectories for the different types of systems, for the
modules and the machines

machines/nixos/geo02/_configuration.nix

@@ -0,0 +1,23 @@
+{ lib, ... }:
+
+lib.extra.mkConfig {
+  enabledModules = [
+    # List of modules to enable
+    "dgn-backups"
+  ];
+
+  enabledServices = [
+    # List of services to enable
+  ];
+
+  extraConfig = {
+    services.netbird.enable = true;
+
+    dgn-hardware = {
+      useZfs = true;
+      zfsPools = [ "work01" ];
+    };
+  };
+
+  root = ./.;
+}

machines/nixos/geo02/_hardware-configuration.nix

@@ -0,0 +1,35 @@
+# 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.
+{ modulesPath, ... }:
+
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot = {
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "ehci_pci"
+        "ahci"
+        "usb_storage"
+        "sd_mod"
+      ];
+    };
+    kernelModules = [ "kvm-intel" ];
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/20d04582-222b-4e32-8744-619e19b0737c";
+      fsType = "ext4";
+    };
+
+    "/boot" = {
+      device = "/dev/disk/by-uuid/352A-2135";
+      fsType = "vfat";
+    };
+  };
+
+  swapDevices = [ { device = "/dev/disk/by-uuid/34db637d-5416-4ae1-98ef-3b0c5672159c"; } ];
+}

machines/nixos/geo02/secrets/secrets.nix

@@ -0,0 +1,3 @@
+(import ../../../../keys).mkSecrets [ "geo02" ] [
+  # List of secrets for geo02
+]