refactor: Use haumea for filesystem-based module system for flake outputs

refactor: Use hyphen(`-`) for variable names & folder names(except Python), replace all unserscore(`_`) with hyphen(`-`).

hosts/idols-aquamarine/default.nix

@@ -0,0 +1,40 @@
+{myvars, ...}:
+#############################################################
+#
+#  Aquamarine - A NixOS VM running on Proxmox
+#
+#############################################################
+let
+  hostName = "aquamarine"; # Define your hostname.
+in {
+  imports = [
+    ./router.nix
+    ./dae.nix
+  ];
+
+  # supported file systems, so we can mount any removable disks with these filesystems
+  boot.supportedFilesystems = [
+    "ext4"
+    "btrfs"
+    "xfs"
+    "fat"
+    "vfat"
+    "exfat"
+  ];
+
+  boot.kernelModules = ["kvm-amd"];
+  boot.extraModprobeConfig = "options kvm_amd nested=1"; # for amd cpu
+
+  networking = {
+    inherit hostName;
+    inherit (myvars.networking) nameservers;
+  };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.11"; # Did you read the comment?
+}