[Backport 2.x] [Remote Routing Table] Initial commit for index routing table manifest#14066

Bukhtawar merged 4 commits intoopensearch-project:2.xopensearch-project/OpenSearch:2.xfrom

himshikha:backport-13577-to-2.xhimshikha/OpenSearch:backport-13577-to-2.xCopy head branch name to clipboard