Request: add Curve.fi tokenlist

[bout3fiddy]

Before submission delete this line:

Checklist

• I understand that this is not the place to request token listing.
• I have tested that my list is compatible by pasting the url into the add a list UI at app.uniswap.org.
• I understand that filing an issue or adding liquidity does not guarantee addition to the token list website.
• I will not ping the Discord about this listing request.

List URL: https://curvefi.github.io/curve-assets/all_networks.json
List Name: Curve.fi
Link to the official homepage of the list manager: https://curve.fi

The tokenlist is generated automatically at: https://github.com/curvefi/curve-assets