Set ignore headings option for org-mode export

init.el

@@ -49,6 +49,7 @@
 
 (add-to-list 'package-archives
 	     '("melpa" . "https://melpa.org/packages/") t)
+(add-to-list 'package-archives '("nongnu" . "https://elpa.nongnu.org/nongnu/"))
 
 (setq package-check-signature nil)
 
@@ -336,6 +337,10 @@
     (org-ellipsis " ⤵")
     :hook (org-mode . org-bullets-mode)))
 
+(use-package org-contrib)
+(require 'ox-extra)
+(ox-extras-activate '(ignore-headlines))
+
 (setq org-todo-keywords
       '((sequence "TODO" "|" "DONE" "CANCELLED")))