Update remote store stats api documentation (#5107)

* Update remote store stats api documentation 

This closes #4904

Signed-off-by: Ashish <ashking94@gmail.com>

* Apply suggestions from code review

Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

* Update remote-store-stats-api.md

* Apply suggestions from code review

Co-authored-by: Chris Moore <107723039+cwillum@users.noreply.github.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Nathan Bower <nbower@amazon.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

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Signed-off-by: Ashish <ashking94@gmail.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Chris Moore <107723039+cwillum@users.noreply.github.com>
Co-authored-by: Nathan Bower <nbower@amazon.com>