[DONE] Add a new book: Eberron

[Moskbnea]

* Title: EBERRON Aufstieg aus dem letzten Krieg
* Author(s) name(s): Jeremy Crawford, Dan Dillon, Mike Mearls, Christopher Perkins, Ben Petrisor
* ISBN: 978-1-945625-49-7
* Publisher: Gale Force Nine
* Publication date: 2021-04-01
* Format: hardcover
* Page count: 320
* Language: German
* Description: D&D Regelerweiterung
* Original: https://www.goodreads.com/book/show/5...
* Cover: https://m.media-amazon.com/images/I/4...

[Alejandro]

Already here:
https://www.goodreads.com/book/show/1...

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