refactor: username

modules/darwin/users.nix

@@ -0,0 +1,11 @@
+{username, ...}: {
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users."${username}" = {
+    home = "/Users/${username}";
+
+    # set user's default shell back to zsh
+    #    `chsh -s /bin/zsh`
+    # DO NOT change the system's default shell to nushell! it will break some apps!
+    # It's better to change only starship/alacritty/vscode's shell to nushell!
+  };
+}