WinUAE emulator support

[limi]

Probably the most popular Amiga emulator, we should have a setup file for it.

[limi]

We should also have good shaders by default, and there’s a script here that lets us change the scaling from the Amiga side, so we can potentially support Dynamic Crop:

https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/



His 1084 shader pack for WinUAE:
https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/files/WinUAE-Commodore-1084S-ShaderPack-v2.zip

[limi]

Disappointingly, there doesn’t seem to be a way to automatically set the display to 50hz:

tonioni/WinUAE#253