Lightbox feature request: show custom HTML

[jmuheim]

I'd love to display some custom HTML inside a Lightbox - similarly to opening some content in an <iframe>, but with the possibility to just place the HTML inside the current slide (similar to the Multimodal plugin):

# My cool slide

Please click this link to show a dialog:

[Click me!](#){data-modal-type=html data-modal-url=#my-dialog}

:::#my-dialog
Good to see you!

- List item 1
- List item 2
:::

I will give the Multimodal plugin a try, but it would be nice to have this as a core feature by Reveal.js itself.