nix: appstream: Add more information for Flathub

[voidanix]

Various updates for Flathub's quality guidelines.

@user1-github, we do not currently satisfy the "non-technical" summary guideline... Could you explain to us why that is?

[user1-github]

we do not currently satisfy the "non-technical" summary guideline... Could you explain to us why that is?

Yeah, I've also noticed that, but honestly I don't know why. I also don't know why the screenshots fail the "Good content" mark.
Afair, when I was maintainig RE Legacy Flatpak, it had this summary, same screenshots and it was passing these marks... I can only guess that different Flathub reiewers probably have different opinions about these things.

But if you want figure out / discuss why are these marks failing, you can open an issue here and the Flathub reviewers will give you feedback.

P.S I think we can probably pass these 2 marks, but we probably won't pass all the icon related marks, because Flathub has some very specific and strict icon design guidelines.

[user1-github]

Btw, I assume the icon size reduction is for passing the "Doesn't fill too much or too little of the canvas"?

I think that's also worth discussing with the Flathub reviewers first, just to make sure they'll approve it. (Though I personally prefer the current size).

[user1-github]

I just noticed it now passes the "non technical" summary checkmark and also some other checkmarks that were previously marked as question mark. Did someone request a re-review?
Though it still doesn't pass the good screenshot content and icon related marks.
Should I open an issue for Flathub reviewer feedback to ask why it still doesn't pass these marks?

[TheAssassin]

Feel free to. I have not requested anything from FlatHub.

[user1-github]

Opened an issue. Let's see what they'll say.