rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ a8136ccde1e127eac82038c8b07dc62c0d504953

Grega Bremec 212e4221af check for default certmanager, fix private key size to 4k		vor 10 Monaten
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tasks	212e4221af check for default certmanager, fix private key size to 4k	vor 10 Monaten