Integrate Readarr and add Builders for Audiobooks

[plucky panther]

Feature Request Generated for <@&823677075751043102> to review at https://features.metamanager.wiki/admin/board/features/p/integrate-readarr-and-add-builders-for-audiobooks

Metabot

Integrate Readarr and add Builders for Audiobooks

Integrate Readarr and add Builders for Audiobooks.

    [Original Github Request](https://github.com/meisnate12/Plex-Meta-Manager/issues/766)

[plucky panther]

Feature Request Status has been updated to planned