Custom title for toggle directive

[tfiers]

trafficstars

Context

Using an admonition and :class: dropdown, you can nicely choose the title. This lets users know what they can expect when they expand the container.

You cannot currently do this with toggle however.

Admonitions are quite heavy visually, so it's nice to alternate with toggles, if there's a lot of them on a page.

Proposal

Syntax example (myst form), taken from the second example here in the jupyterbook docs, which seems to suggest this feature already exists.

```{toggle} Click the button to reveal!

Some hidden toggle content!
```

Tasks and updates

No response

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[zerothi]

this would be very cool!