Add API for external addon to be able to register their own books to Librarian

Author Orionik <orionik.eso@gmail.com>
Author date 2022-10-03 04:43:48
Author local date 2022-10-03 00:43:48 -0400
Committer Orionik <orionik.eso@gmail.com>
Committer date 2022-10-03 04:43:48
Committer local date 2022-10-03 00:43:48 -0400
Commit df2eb11c70d7d0827e301018b26d489367e56179
Tree 47faab8163076805fe518a0f175026ce05093476
Parent aff3abec5e59bbf22726d87cb46e8fbfbdefbe4f
Add API for external addon to be able to register their own books to Librarian