[Feature Request] Support for .avif image files

[PoisonPyte]

All my comics are formatted as AVIF inside a CBZ with metadata.
Currently, I have to extract the files and convert them to jpg using another program, before recompressing them back into a CBZ.
Could you add support for AVIF conversion inside the program please? Alternatively if EPUB natively supports AVIF then no conversion is needed, just a way for the program to recognize it.

I can provide a sample file if needed.

[axu2]

You don't need to recompress to cbz. Kcc accepts a folder of images with the comic info.xml inside.

This will have to wait until pillow adds avif support.

[PoisonPyte]

Thanks for tell me, that saves the hassle of recompressing everything.

Could this unofficial plugin be used until its officially supported?
https://github.com/fdintino/pillow-avif-plugin