add file organizaiton module

modules/nixos/file-organization/default.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  namespace,
+  ...
+}:
+let
+  inherit (lib) mkIf mkEnableOption;
+  inherit (lib.${namespace}) mkBoolOpt;
+
+  cfg = config.${namespace}.file-organization;
+in
+{
+  options.${namespace}.file-organization = {
+    enable = mkEnableOption "file organization software";
+  };
+  nixpkgs.config.allowUnfree = true;  
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      # Add file organization packages here
+      # Example: organize-tool
+      ranger
+      fsearch
+      veracrypt
+      qdirstat
+    ];
+  };
+}