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

Grega Bremec 12ee848517 add a reusable token regeneration fragment		5 mesiacov pred
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roles	12ee848517 add a reusable token regeneration fragment	5 mesiacov pred
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	6 mesiacov pred
inventory.yml	3a7cb9a593 add capability to remove rhbk, complete templating to allow any number of clients	5 mesiacov pred
pre-flight.yml	0d78520522 add initial rhbk deployment role and vars	6 mesiacov pred