Add support for new BBF file type

[Aniconomics]

A new superior file type for comics and ebooks was released. Here's a link to the Reddit thread and Github pages. There is no native support for this file type anywhere as of now.

https://www.reddit.com/r/selfhosted/comments/1qi64pr/i_got_into_an_argument_on_discord_about_how/
https://github.com/ef1500/libbbf?tab=readme-ov-file#feature-comparison-digital-comic--archival-formats

[Xanashi]

I'll add it to the todo list, although it's not a priority right now.
People are very welcome to comment on this post if they want to see this feature in Icaros.