Add web3 icons with background

[madismad-karta]

https://github.com/0xa3k5/web3icons

Can you please add this icons with background? Mono and branded ones have been already added

[cyberalien]

What would be the point? That's just a box with mono icon in it. You can create a box by setting background color to SVG.

[madismad-karta]

@cyberalien each icon has its own background color, matched to the logo's color. The initial problem is that some logos in the brand version are difficult to see with a dark background, and manually writing code to change the background for these logos is a bit of a chore.