[Workload Management] Querygroup Lifecyle API docs

[kiranprakash154]

Description

Adds QueryGroup LifeCycle API related docs Depends on https://github.com/opensearch-project/documentation-website/pull/8228 to be merged.

Issues Resolved

Closes #8066

Version

2.17

Checklist

• [x] By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and subject to the Developers Certificate of Origin. For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions[bot]]

Thank you for submitting your PR. The PR states are In progress (or Draft) -> Tech review -> Doc review -> Editorial review -> Merged.

Before you submit your PR for doc review, make sure the content is technically accurate. If you need help finding a tech reviewer, tag a maintainer.

When you're ready for doc review, tag the assignee of this PR. The doc reviewer may push edits to the PR directly or leave comments and editorial suggestions for you to address (let us know in a comment if you have a preference). The doc reviewer will arrange for an editorial review.

[Naarcha-AWS]

@kiranprakash154: I see that this PR is still in draft mode. Is it ready for review?

[Naarcha-AWS]

@kiranprakash154: Is this due for 2.18?

[Naarcha-AWS]

Will likely be closed by #8628, but keeping open to use as an additional resource.

[ruai0511]

This can be closed