chore(docs): document auth via dynamic plugins

[gashcrumb]

Description

This change adds the configuration updates and examples related to installing and configuring authentication providers from dynamic plugins. This change also fixes a couple small markdown lint warnings.

Which issue(s) does this PR fix

• last bit of RHIDP-5484

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[kadel]

no image build will be triggered as this is docs only PR
/override "Build Image"

/lgmt
/approve

[openshift-ci]

@kadel: Overrode contexts on behalf of kadel: Build Image

In response to this:

no image build will be triggered as this is docs only PR
/override "Build Image"

/lgmt
/approve

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 kubernetes-sigs/prow repository.

[kadel]

no image build will be triggered as this is docs only PR
/override "Build Image"

/lgmt
/approve

[openshift-ci]

@kadel: Overrode contexts on behalf of kadel: Build Image

In response to this:

no image build will be triggered as this is docs only PR
/override "Build Image"

/lgmt
/approve

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 kubernetes-sigs/prow repository.

[kadel]

/override "PR / Build with Node.js 20 (pull_request)"
/override "PR / Test with Node.js 20 (pull_request)"

no need to wait for tests for docs only PR

[openshift-ci]

@kadel: /override requires failed status contexts, check run or a prowjob name to operate on.
The following unknown contexts/checkruns were given:

• PR / Build with Node.js 20 (pull_request)
• PR / Test with Node.js 20 (pull_request)

Only the following failed contexts/checkruns were expected:

• Build Image
• Build with Node.js 20
• Test with Node.js 20

If you are trying to override a checkrun that has a space in it, you must put a double quote on the context.

In response to this:

/override "PR / Build with Node.js 20 (pull_request)"
/override "PR / Test with Node.js 20 (pull_request)"

no need to wait for tests for docs only PR

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 kubernetes-sigs/prow repository.

[kadel]

/override "Build with Node.js 20"
/override "Test with Node.js 20"

[openshift-ci]

@kadel: Overrode contexts on behalf of kadel: Build with Node.js 20, Test with Node.js 20

In response to this:

/override "Build with Node.js 20"
/override "Test with Node.js 20"

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 kubernetes-sigs/prow repository.

[kadel]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kadel

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [kadel]

Approvers can indicate their approval by writing /approve in a comment
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[kadel]

/refresh

[gashcrumb]

/cherry-pick release-1.5

[openshift-cherrypick-robot]

@gashcrumb: new pull request created: #2467

In response to this:

/cherry-pick release-1.5

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 kubernetes-sigs/prow repository.