Better app store listing

[bertob]

This app looks great, there are only a handful of minor issues with the metadata to meet Flathub's quality guidelines:

• The summary "Beautiful and lightweight weather app" is a bit too long (35 characters max). It'd also be better to phrase it as something active that people can do with the app, e.g. "Check the weather forecast".
• Screenshots should use default settings for window controls (close-only)
• Needs appstream brand colors (Flathub guidelines). I'd be happy to help with this, but might be good to wait on #120 since icon and brand color need to fit together.

[amit9838]

That's nice feedback, Thanks. I'll look into it. Didn't understand the 3rd point.

[amit9838]

Hi @bertob I've changed the app description, also updated the screenshots with default window controls.

[bertob]

This isn't quite fixed yet, mind reopening?

I've opened an MR for point 3, but there are still two other issues:

• The summary should use sentence case (e.g. 'Weather at a glance')
• The icon issue is still open, I'll follow up there :)

[amit9838]

Oh I'll fix that (2)