rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 9a836b290c4748b0df7f4b89c01950553d47930d

Grega Bremec 9a836b290c change group names to reflect they are global		10 mesiacov pred
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roles	9a836b290c change group names to reflect they are global	10 mesiacov pred
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	10 mesiacov pred
inventory.yml	22aeef5d9f rename role deploy-operator to plural, implement operatorgroup checks, installplan checks, auto and manual approval	10 mesiacov pred
pre-flight.yml	5c82008507 write and include setup-rbac role	10 mesiacov pred