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/12kingdoms-shoukei/brcm-firmware/default.nix

@@ -0,0 +1,10 @@
+{pkgs, ...}:
+pkgs.stdenvNoCC.mkDerivation {
+  name = "brcm-firmware";
+  nativeBuildInputs = with pkgs; [gnutar xz];
+  buildCommand = ''
+    dir="$out/lib/"
+    mkdir -p "$dir"
+    tar -axvf ${./firmware.tar.xz} -C "$dir"
+  '';
+}

hosts/12kingdoms-shoukei/brcm-firmware/flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1703068421,
+        "narHash": "sha256-WSw5Faqlw75McIflnl5v7qVD/B3S2sLh+968bpOGrWA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d65bceaee0fb1e64363f7871bc43dc1c6ecad99f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

hosts/12kingdoms-shoukei/brcm-firmware/flake.nix

@@ -0,0 +1,10 @@
+{
+  # a flake for testing
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11";
+  outputs = {nixpkgs, ...}: let
+    system = "x86_64-linux";
+    pkgs = import nixpkgs {inherit system;};
+  in {
+    packages."${system}".default = pkgs.callPackage ./default.nix {};
+  };
+}