Collapsed Sections

[wehde92]

Feature request to add collapsed sections.

See the outline here: https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/organizing-information-with-collapsed-sections

Tips for collapsed sections

### You can add a header You can add text within a collapsed section. You can add an image or a code block, too. ```ruby puts "Hello World" ```

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<details>

<summary>Tips for collapsed sections</summary>

### You can add a header

You can add text within a collapsed section. 

You can add an image or a code block, too.

```ruby
   puts "Hello World"

[davidbeijinho]

i was even trying to use something similar to this, would be nice maybe if we can just render html elements

[JosNun]

This might be covered by #702