feat: several updates/styling

modules/home-manager/programs/creativity.nix

@@ -4,23 +4,45 @@
   lib,
   ...
 }:
+let
+  drawing-apps = with pkgs; [
+    gimp
+    tiled
+    aseprite
+    inkscape
+    sweethome3d.application
+  ];
+  printing-apps = with pkgs; [
+    blender
+    prusa-slicer
+    openscad
+  ];
+  gamedev-apps = with pkgs; [
+    godot_4
+    gdtoolkit_4
+  ];
+  sound-apps = with pkgs; [
+    audacity
+    sfxr
+  ];
+in
 {
-  options.myHome.programs.creativity.enable = lib.mkEnableOption "enable creativity software";
-  config = lib.mkIf config.myHome.programs.creativity.enable {
-    home.packages = with pkgs; [
-      blender
-      tiled
-      aseprite
-      inkscape
-
-      prusa-slicer
-      openscad
-
-      godot_4
-      gdtoolkit_4
-
-      audacity
-      sfxr
-    ];
+  options.myHome.programs.creativity = lib.mkOption {
+    type = lib.types.submodule {
+      options = {
+        drawing.enable = lib.mkEnableOption "enable drawing software";
+        printing.enable = lib.mkEnableOption "enable 3d (printing) software";
+        gamedev.enable = lib.mkEnableOption "enable gamedev software";
+        sound.enable = lib.mkEnableOption "enable sound making software";
+      };
+    };
+    default = { };
   };
+
+  config.home.packages = lib.concatLists [
+    (lib.optionals config.myHome.programs.creativity.drawing.enable drawing-apps)
+    (lib.optionals config.myHome.programs.creativity.printing.enable printing-apps)
+    (lib.optionals config.myHome.programs.creativity.gamedev.enable gamedev-apps)
+    (lib.optionals config.myHome.programs.creativity.sound.enable sound-apps)
+  ];
 }