Also merge event descriptions

[dingcycle]

Thanks for your work @LukasForst, it gave me nice inspiration and I'm using it for a personal project. :)
It seemed quite obvious me to the DESCRIPTION of events should be included as well in the merged calendar.

Yet I soon realized it wasn't the case in camerge (yet).

I assume that this is the place where the field filtering happens.
Was there any reason why the DESCRIPTION was not included?

[LukasForst]

hi! I think the answer to this question is the line above the one you linked 😄:

# TODO: maybe investigate what is really needed and what is not

feel free to submit PR! I wanted to work more on this project a bit more, but sadly I don't have enough time right now.

One thing to think of when implementing it - when anonymisation is enabled with busy_place_holder=True, one should probably anonymise the description as well (so not set it or not copy it).