Doom: Add "reveal in finder" feature

doom/config.el

@@ -39,6 +39,14 @@
 ;; numbers are disabled. For relative line numbers, set this to `relative'.
 (setq display-line-numbers-type t)
 
+;; Reveal in finder/nautilus/whatever
+(defun reveal-in-file-browser ()
+  (interactive)
+  (call-process "open" nil nil nil "."))
+
+(map! :leader
+      :desc "Reveal"
+      "o o" #'reveal-in-file-browser)
 
 ;; Here are some additional functions/macros that could help you configure Doom:
 ;;