OCPBUGS-36625: Add readme about controller's credentials requests

[alebedev87]

hack/controller/ directory has 2 CredentialsRequest files. The goal of this PR is to explain why we need them both and where to use them.

[openshift-ci]

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[openshift-bot]

Issues go stale after 90d of inactivity.

Mark the issue as fresh by commenting /remove-lifecycle stale.
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Exclude this issue from closing by commenting /lifecycle frozen.

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/lifecycle stale

[alebedev87]

/remove-lifecycle stale

[openshift-bot]

Issues go stale after 90d of inactivity.

Mark the issue as fresh by commenting /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.
Exclude this issue from closing by commenting /lifecycle frozen.

If this issue is safe to close now please do so with /close.

/lifecycle stale

[alebedev87]

/remove-lifecycle stale

[openshift-ci-robot]

@alebedev87: This pull request references Jira Issue OCPBUGS-36625, which is invalid:

• expected the bug to target the "4.17.0" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

hack/controller/ directory has 2 CredentialsRequest files. The goal of this PR is to explain why we need them both and where to use them.

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[alebedev87]

/jira refresh

[openshift-ci-robot]

@alebedev87: This pull request references Jira Issue OCPBUGS-36625, which is valid. The bug has been moved to the POST state.

3 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.17.0) matches configured target version for branch (4.17.0)
• bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)

Requesting review from QA contact:
/cc @lihongan

In response to this:

/jira refresh

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[openshift-ci]

@alebedev87: all tests passed!

Full PR test history. Your PR dashboard.

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[lihongan]

/jira refresh

[openshift-ci-robot]

@lihongan: This pull request references Jira Issue OCPBUGS-36625, which is valid.

3 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.17.0) matches configured target version for branch (4.17.0)
• bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)

Requesting review from QA contact:
/cc @ShudiLi

In response to this:

/jira refresh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[lihongan]

cc @melvinjoseph86 @rhamini3

[ShudiLi]

/lgtm
thanks

[candita]

/assign @gcs278