* 223: Dead man's switch to detect when backups start failing silently, implemented via
healthchecks.io hook integration. See the documentation for more information:
https://torsion.org/borgmatic/docs/how-to/monitor-your-backups/#healthchecks-hook
* Documentation on monitoring and alerting options for borgmatic backups:
https://torsion.org/borgmatic/docs/how-to/monitor-your-backups/
* Automatically rewrite links when developing on documentation locally.