rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 12ee848517d8d37ae06b2d38c32d83685f7ff1f7

Grega Bremec 12ee848517 add a reusable token regeneration fragment		10 mesiacov pred
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roles	12ee848517 add a reusable token regeneration fragment	10 mesiacov pred
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	10 mesiacov pred
inventory.yml	3a7cb9a593 add capability to remove rhbk, complete templating to allow any number of clients	10 mesiacov pred
pre-flight.yml	0d78520522 add initial rhbk deployment role and vars	10 mesiacov pred