rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 212e4221af499b8bc004aad05eafe2d340bff68e

Grega Bremec 0699607e3e add todos to pre-fligh and auth, and externalip range to inventory		1 月之前
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tasks	0699607e3e add todos to pre-fligh and auth, and externalip range to inventory	1 月之前