Update shortcodes-and-filters.yml

Add accordion

Author: dkapitan

docs/extensions/listings/shortcodes-and-filters.yml

@@ -17,6 +17,11 @@
     Filter to add code from source files as a code block that
     works with `code-fold`.
 
+- name: accordion
+  path: https://github.com/royfrancis/quarto-accordion
+  author: '[Roy Francis](https://github.com/royfrancis)'
+  description: Shortcode to add Bootstrap accordion component for html format.
+
 - name: adsense
   path: https://github.com/coatless-quarto/adsense
   author: '[James Joseph Balamuta](https://github.com/coatless/)'