PySDL3 support

[C0rn3j]

I see in the Readme that this project supports PySDL2, any chance PySDL3 will be supported too?

https://github.com/Aermoss/PySDL3

[C0rn3j]

I have successfully packaged a project that uses PySDL3, so I suppose you can advertise support for that too in the readme, and then close this Issue.