Add dropdown for headings

[akshatvirmani]

The doc doesn't look in place as of now. Add a Dropdown for a heading, and inside it should be subheadings/subpages.

[Nickyshe]

Hi @simonmazzaroth @akshatvirmani
Can you assign me to this issue. I am participating in the Hackmamba Documentation Sprint.

My discord name is Judith

[akshatvirmani]

Hello, lets wait for @simonmazzaroth approval on this. Once approved, will assign this to you!

[Nickyshe]

Hi, @akshatvirmani and @simonmazzaroth. Can I add a drop-down for other categories in the documentation?

[akshatvirmani]

hello @Nickyshe yes for everyone.

[akshatvirmani]

@Nickyshe please make sure that collapsible is false in these ones.

For reference:
https://github.com/VauntDev/docs/blob/main/docs/organizations/private_repository/_category_.json
This is for Private repo page