chore: add collapse-output extension for collapsible outputs

Added a new Quarto extension for collapsing code cell outputs.

Author: mcanouil

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

@@ -157,6 +157,12 @@
     Filter to create collapsible callouts with [`social-embeds`](https://github.com/sellorm/quarto-social-embeds)
     for HTML format.
 
+- name: collapse-output
+  path: https://github.com/mcanouil/collapse-output
+  author: '[Mickaël CANOUIL](https://github.com/mcanouil)'
+  description: >
+    A Quarto extension that provides the ability to collapse code cell outputs in HTML documents using collapsible `<details>` elements.
+
 - name: countdown
   path: https://github.com/gadenbuie/countdown
   author: '[Garrick Aden-Buie](https://github.com/gadenbuie/) and [James Joseph Balamuta](https://github.com/coatless/)'