fixed(unityhub@modules): actual config now

nix/modules/unityhub/home.nix

@@ -1,8 +1,21 @@
-{ pkgs, ... }:
 {
-  home.packages = with pkgs; [
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  cfg = config.modules.unityhub;
+in
+{
+  options.modules.unityhub = {
+    enable = lib.mkEnableOption "unity";
+  };
+  config.home = lib.mkIf cfg.enable {
+    packages = with pkgs; [
       unityhub
     ];
     # so alcom can use it
-  home.file.".local/bin/unityhub".source = "${pkgs.unityhub}/bin/unityhub";
+    file.".local/bin/unityhub".source = "${pkgs.unityhub}/bin/unityhub";
+  };
 }