To add chapter numbers and language on book covers

[gdaella]

Describe your suggested feature

An indicator to show how many chapters the source has. Thank you :)

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.

[1maul]

it would be great feature and add if I am reading a manga show me how chapters left I didn't read.

[T13k9]

it's not a bad idea especially for the language in multiple language sources, well done boss 👍