Customers requires some documentation to configure their network, likely to point them to create a first boot script

We could mention that they may need a first boot script for their network here:

https://docs.redhat.com/es/documentation/red_hat_enterprise_linux/8/html/composing_a_customized_rhel_system_image/creating-system-images-with-composer-web-console-interface_composing-a-customized-rhel-system-image

Thank you.