Simplify and re-arrange the OpenShift guide
Simplify and re-arrange the OpenShift guide

Co-authored-by: Ladislav Thon <85371ff509c0642cd75aab0d013865e0e539ccb3@gmail.com>
Co-authored-by: Georgios Andrianakis <1db0aa2491e1f245400118d604b1ad63e92fd8da@gmail.com>

quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus