Create a firewalld service to open the ports for VNC traffic. This
prevents ansible from creating an invalid firewalld configuration and
bringing down networking on Fedora 34 workstation due to overlapping
ports.
* Add automation for bootstrapping an openQA developer box
This PR adds the playbook `init-rocky-openqa-developer-host.yml`, to be
used for bootstrapping developer instances of OpenQA. This playbook
mostly follows the automation from [this
repo](https://github.com/rocky-linux/OpenQA-Fedora-Installation).
* Add suggestions from @nazunalika
In this push, we are making a decent amount of updates to the gitlab
playbooks as well as updating the README. See below for the changes:
* README updated for further clarity
* GitLab role with further reconfiguration for group lookups
* GitLab role with further reconfiguration to disable built-in nginx
* nginx configuration added and provided to work with omnibus
* GitLab variables updated