please add uvloop to recipes!

[cweilouis]

please add uvloop to recipes! uvloop is a fast, drop-in replacement of the built-in 'asyncio' event loop. This has greatly improved the performance of our project. We urgently need it. please! 🙏🙏🙏
uvloop url: https://github.com/MagicStack/uvloop/tree/master

[T-Dynamos]

Here it is: #2998!