collapsible section in github markdown

https://gist.github.com/pierrejoubert73/902cc94d79424356a8d20be2b382e1a://gist.github.com/pierrejoubert73/902cc94d79424356a8d20be2b382e1ab

Can add collapsible section with <details></details> tags

# A collapsible section with markdown
<details>
  <summary>Click to expand!</summary>
  
  ## Heading
  1. A numbered
  2. list
     * With some
     * Sub bullets
</details>