[DOC] Sorting and Search After in Hybrid Search

[vibrantvarun]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request.
For Hybrid Query we have enabled the support for two features i.e sorting the hybrid query results and a customer can paginate the sort results by using search_after clause.

*Version: List the OpenSearch version to which this issue applies, e.g. 2.14, 2.12--2.14, or all.
2.15

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.
opensearch-project/neural-search#507

[hdhalter]

@vibrantvarun , do you have an ETA for this PR? Thanks!

[vibrantvarun]

Yes I am working on the PR. It will be out soon.

[hdhalter]

Thanks, @vibrantvarun !