many improvements

modules/home-manager/directories.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+{
+  # Set up essential directories in the home directory
+  # TODO
+  # home.file."Dev".directory = true;
+  # home.file."owncloud".directory = true;
+
+  # Set XDG user directories
+  xdg.userDirs = {
+    enable = true;
+    createDirectories = true;
+    documents = "${config.home.homeDirectory}/Documents";
+    download = "${config.home.homeDirectory}/Downloads";
+    pictures = "${config.home.homeDirectory}/Pictures";#
+    # do not create the following
+    desktop = null;
+    music = null;
+    publicShare = null;
+    templates = null;
+    videos = null;
+  };
+}