add maintainers

Signed-off-by: Subhobrata Dey <[email protected]>

MAINTAINERS.md

@@ -2,7 +2,7 @@
 
 This document contains a list of maintainers in this repo. See [opensearch-project/.github/RESPONSIBILITIES.md](https://github.com/opensearch-project/.github/blob/main/RESPONSIBILITIES.md#maintainer-responsibilities) that explains what the role of maintainer means, what maintainers do in this and other repos, and how they should be doing it. If you're interested in contributing, and becoming a maintainer, see [CONTRIBUTING](CONTRIBUTING.md).
 
-## Current Maintainers
+## Current Maintainers  
 
 | Maintainer             | GitHub ID                                       | Affiliation |
 | ---------------------- | ----------------------------------------------- | ----------- |