Add a periodic script to backup the partition table and boot code
Optionally, alert you if the contents change from the previous backup
Submitted by: Rob Fairbanks <firstname.lastname@example.org>, Miroslav Lachman <email@example.com> (Original Version)
MFC after: 4 weeks
Sponsored by: Klara Inc.
Event: July 2020 Bugathon
Differential Revision: https://reviews.freebsd.org/D25628