Updated mediawiki/extensions
Project: mediawiki/extensions/BookManagerv2  8f867f37b4c23d949dabdedfd1994ca80843b788

Bug 50674: Adding an example JSON book structure.

This patch adds an example of a valid JSON block that could
be used to represent a book. I'm using it to test the
validation against the JSON schema.

Bug: 50674
Change-Id: I0d0091feced79c41ef2de2d15d5490f21f90fb4a