add auto revert for dired buffers

init.el

@@ -237,6 +237,7 @@
   :defer t
   :hook
   (dired-mode . dired-hide-details-mode)
+  (dired-mode . auto-revert-mode)
   :init
   (setq dired-listing-switches "-la --group-directories-first")
   (setq dired-recursive-copies 'always)