Mermaid view on fullscreen

[Aveyron-RetD]

Is your feature request related to a problem? Please describe.
Big diagram are unreadable as they are limited to page width.

Describe the solution you'd like
On diagram click, open a large preview

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

Linked to nextcloud/collectives#1239

[Polve]

That would be very useful for me too: I'm starting to play with mermaid diagrams but I don't know how to export the rendering and seeing it in high resolution.

As for now, they are usable only for very little diagrams