### References
* https://github.com/chuckmilam/create-ks-iso
* https://gist.github.com/gregelin/c1910c8a39afa761d21a0e8e4757c2ce
* https://www.reddit.com/r/redhat/comments/1g5yi6z/rhel_9_red_hat_stigs_applied_via_custom_iso/
* https://github.com/plus3it/spel
* https://github.com/RedHatGov/rhel8-stig-latest
* https://github.com/mitre/redhat-enterprise-linux-9-stig-baseline
* https://github.com/RedHatGov/ssg-el7-kickstart/blob/master/createiso.sh