Upgrade the config chapter
- Change the title of the chapter to be more acurate
- Add a config files entry (/etc, /usr/local/etc), and /etc/sysctl.conf
- Rework the entry "managing services in FreeBSD"
- Upgrade cron section and add periodic info
- Upgrade syslog section
- Remove tuning section, some parts are really outdated
- Upgrade power management section
- Little upgrades to swap section
ACPI info obtained from:
https://freebsdfoundation.org/wp-content/uploads/2022/04/ACPI-Support-for-Embedded-Controllers.pdf
https://freebsdfoundation.org/wp-content/uploads/2018/04/Pain-and-Suffering-on-the-Road-to-Resume.pdf
https://wiki.freebsd.org/ACPI
https://papers.freebsd.org/2002/watanabe-acpi.files/watanabe-acpi-paper.pdf
https://vermaden.wordpress.com/2018/11/28/the-power-to-serve-freebsd-power-management/
https://github.com/freebsd/drm-kmod/blob/master/drivers/gpu/drm/i915/i915_params.c