plugins-to-plugins and mimetypes and json

[Sune Vuorela]

On 2024-01-05, Sune Vuorela <nospam at vuorela.dk> wrote:
> Or is this a feature that has just been accidentally lost and thus we
> accidentally killed advanced usage of kparts ?

https://invent.kde.org/frameworks/kparts/-/merge_requests/82

and 

https://invent.kde.org/graphics/okular/-/merge_requests/902

makes this work for kparts.

Do we have other plugin types where we might want to add plugins?

Do we have other places than okularpart where we have
plugins-in-plugins?

/Sune