Libgen new ebooks admission

### Category

Reading

### Website URL

https://libgen.bz/index.php?req=fmode:last&topics%5B%5D=l

### Website description

ebooks

### What content should be included?

For 2 leftmost columns in the table new RSS book feeds must be created, where each feed also includes the corresponding link from the first column.

### Additional description

_No response_

### This is not a duplicated rss request

- [x] I have searched [existing issues](https://github.com/DIYgod/RSSHub/issues) and [pull requests](https://github.com/DIYgod/RSSHub/pulls) to ensure this rss proposal has not already been requested