Update remote store stats api documentation (#5107)

* Update remote store stats api documentation 

This closes #4904

Signed-off-by: Ashish <[email protected]>

* Apply suggestions from code review

Signed-off-by: Naarcha-AWS <[email protected]>

* Update remote-store-stats-api.md

* Apply suggestions from code review

Co-authored-by: Chris Moore <[email protected]>
Signed-off-by: Naarcha-AWS <[email protected]>

* Apply suggestions from code review

Co-authored-by: Nathan Bower <[email protected]>
Signed-off-by: Naarcha-AWS <[email protected]>

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Signed-off-by: Ashish <[email protected]>
Signed-off-by: Naarcha-AWS <[email protected]>
Co-authored-by: Naarcha-AWS <[email protected]>
Co-authored-by: Chris Moore <[email protected]>
Co-authored-by: Nathan Bower <[email protected]>