`@IO.main`

[armanbilge]

This will be a huge win if we can land it.

• ioMain annotation for blazing fast getting started experience (Scala 3.2+) cats-effect#3149

[keynmol]

On that note:

1. main has to be a class - so cannot be provided as an extension method in a separate project
2. it will infect the entire IO companion object

so we can just take the code I put in the issue, bootstrap cats-effect-main with @ioMain name for now and pull it into toolkit.

[armanbilge]

awesome! any volunteers?

https://github.com/typelevel/cats-effect-main

[TonioGela]

2. it will infect the _entire_ `IO` companion object

WDYM exactly @keynmol?