Better Flutter Favorite banners

[brainwo]

A popular request in dart_community Discord server.

The banner was a part of a custom user theme for pub.dev I created. But due to high interest in Discord, I decided to create this pull request.

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[sigurdm]

Thanks for doing, they do look nicer - I wonder if they are too dark? - I tried making a screenshot of the package page with this

@isoos @szakarias @jonasfj WDYT?

[isoos]

I think the white-ish text color could be a slightly darker, but otherwise I think this is fine.

[brainwo]

How about this? I tried matching the preexisting colours.

[Wdestroier]

It looks awesome @brainwo! 100x improvement over the current logo.

[sigurdm]

[mateusfccp]

Much better IMO

[jonasfj]

This is awesome 🚀

CC @anderdobo for Flutter Favorite perspective.

[brainwo]

Here are the SVG files if anyone needs them:

ff-banner-mobile-dark-2x
ff-banner-desktop-dark-2x

(note: the "Flutter Favorite" text is exported as SVG path)

[mit-mit]

Looks good to me, @anderdobo wdyt?

[mit-mit]

Here are the SVG files if anyone needs them:

ff-banner-mobile-dark-2x ff-banner-desktop-dark-2x

(note: the "Flutter Favorite" text is exported as SVG path)

@jonasfj do you think we'll use these? If so, we should get them into the PR itself so they are part of the CLA.

[isoos]

We could probably use the svgs instead of the pngs, but for the scope of this PR, it is fine if those files are just alongside the png versions.

[sigurdm]

@brainwo yes, if you could add the svgs to the pr itself it would be helpful, then we can use them later if we need to derive new versions of the logo.

[anderdobo]

LGTM. Thank you!

[sigurdm]

Thanks!