[DOC] Add documentation for peer recovery stats

[Arpit-Bandejiya]

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. Provide a summary of the request and all versions that are affected.

Add documentation for opensearch-project/OpenSearch#12490
What other resources are available? Provide links to related issues, POCs, steps for testing, etc.

[hdhalter]

Thanks, @Arpit-Bandejiya. Is this targeting the 2.14 release?

[hdhalter]

Hi @Arpit-Bandejiya , what is your ETA for producing the doc PR? To meet entrance criteria, the PR must be open and in review by 4/30. Thanks!

[Arpit-Bandejiya]

The changes are now being tracked for 2.15 @hdhalter . Thanks for the follow up!

[hdhalter]

Hi @Arpit-Bandejiya - will this go out in 2.15?