Support for Calibre

[M-Davies]

https://hub.docker.com/r/linuxserver/calibre-web
https://hub.docker.com/r/linuxserver/calibre

Seeing as this stack seems to be missing a dedicated Ebook reader (minus audiobookshelf but that's more of a audiobook/podcast soloution), having one would be really useful in cominbation with readarr

[M-Davies]

@Luctia Would love to get your thoughts on this, happy to look into making a PR if you need a hand

[Luctia]

I like the idea! If it's not too much work, a PR would be nice. I'll create an issue for it 👍

[Luctia]

Closing, as an issue has been created for it.