rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 2f903b22bd0cae0273b6b43325b2cae5a9c9ea2b

Grega Bremec 2f903b22bd add some more todos		10 mesi fa
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roles	147baa70bc add comments on defaults	10 mesi fa
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	10 mesi fa
inventory.yml	336dd1c6e4 add openshift attrs, turn off direct grants for openshift oidc client	10 mesi fa
pre-flight.yml	2f903b22bd add some more todos	10 mesi fa