rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ afcadeaf595057c6b301cfc8a69bb46ad0ad8d0e

Grega Bremec afcadeaf59 add group capability for both creation and user membership		vor 1 Monat
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roles	afcadeaf59 add group capability for both creation and user membership	vor 1 Monat
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	vor 1 Monat
inventory.yml	c6d1bbb5c8 update user list and attributes	vor 1 Monat
pre-flight.yml	0d78520522 add initial rhbk deployment role and vars	vor 1 Monat