refactor!: import modules recursively

modules/config/wallpapers/default.nix

@@ -0,0 +1,24 @@
+{ config
+, lib
+, ...
+}:
+
+with lib;
+let
+  cfg = config.my.wallpapers;
+in
+{
+  options.my.wallpapers.enable = mkEnableOption "wallpapers";
+
+  config = mkIf cfg.enable {
+    home-manager.users.moritz.xdg = {
+      enable = true;
+      configFile = {
+        "wallpapers/" = {
+          source = ./wallpapers;
+          recursive = true;
+        };
+      };
+    };
+  };
+}