rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 28c70b81698f1d6e43695d5a4be46005e7a04df4

Grega Bremec a7ce465461 split pkg installs from check-env into install-packages and fix pre-flight.yml		hai 1 mes
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tasks	a7ce465461 split pkg installs from check-env into install-packages and fix pre-flight.yml	hai 1 mes