RHIDP-2135: README update

[deerskindoll]

README update

IMPORTANT: Do Not Merge - To be merged by Docs Team Only

Version(s):

main

Issue:

https://issues.redhat.com/browse/RHIDP-2135

Preview:

[rhdh-bot]

Preview: https://redhat-developer.github.io/red-hat-developers-documentation-rhdh/pr-1335/

[deerskindoll]

/label do-not-merge/review-in-progress

[openshift-ci]

@deerskindoll: The label(s) /label do-not-merge/review-in-progress cannot be applied. These labels are supported: acknowledge-critical-fixes-only, platform/aws, platform/azure, platform/baremetal, platform/google, platform/libvirt, platform/openstack, ga, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, px-approved, docs-approved, qe-approved, ux-approved, no-qe, downstream-change-needed, rebase/manual, cluster-config-api-changed, run-integration-tests, approved, backport-risk-assessed, bugzilla/valid-bug, cherry-pick-approved, jira/valid-bug, ok-to-test, stability-fix-approved, staff-eng-approved. Is this label configured under labels -> additional_labels or labels -> restricted_labels in plugin.yaml?

In response to this:

/label do-not-merge/review-in-progress

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