Updated MAINTAINERS.md to match recommended opensearch-project format.

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

MAINTAINERS.md

@@ -1,14 +1,12 @@
-<img src="https://opensearch.org/assets/brand/SVG/Logo/opensearch_logo_default.svg" height="64px"/>
+## Overview
 
-- [Maintainers](#maintainers)
+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).
 
-## Maintainers
+## Current Maintainers
 
-| Maintainer       | GitHub ID                                           | Affiliation |
-| ---------------- | --------------------------------------------------- | ----------- |
-| Peter Zhu        | [peterzhuamazon](https://github.com/peterzhuamazon) | Amazon      |
-| Prudhvi Godithi  | [prudhvigodithi](https://github.com/prudhvigodithi) | Amazon      | 
-| jackson Theisen  | [jackson-theisen](https://github.com/jackson-theisen)| Theisen Consulting | 
-| Phillip Baker  | [phillbaker](https://github.com/phillbaker)| https://phillbaker.com | 
-
-[This document](https://github.com/opensearch-project/.github/blob/main/MAINTAINERS.md) explains what maintainers do in this repo, and how they should be doing it. If you're interested in contributing, see [CONTRIBUTING](CONTRIBUTING.md).
+| Maintainer      | GitHub ID                                             | Affiliation            |
+| --------------- | ----------------------------------------------------- | ---------------------- |
+| Peter Zhu       | [peterzhuamazon](https://github.com/peterzhuamazon)   | Amazon                 |
+| Prudhvi Godithi | [prudhvigodithi](https://github.com/prudhvigodithi)   | Amazon                 |
+| jackson Theisen | [jackson-theisen](https://github.com/jackson-theisen) | Theisen Consulting     |
+| Phillip Baker   | [phillbaker](https://github.com/phillbaker)           | https://phillbaker.com |