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

#539)

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

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

MAINTAINERS.md

@@ -1,9 +1,12 @@
-## Maintainers
-| Maintainer | GitHub ID | Affiliation |
-| --------------- | --------- | ----------- |
-| Annie Lee | [leeyun-amzn](https://github.com/leeyun-amzn) | Amazon |
-| Bowen Lan | [bowenlan-amzn](https://github.com/bowenlan-amzn) | Amazon |
-| Drew Baugher | [dbbaughe](https://github.com/dbbaughe) | Amazon |
-| Ravi | [thalurur](https://github.com/thalurur) | Amazon |
+## Overview
 
-[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).
+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
+
+| Maintainer   | GitHub ID                                         | Affiliation |
+| ------------ | ------------------------------------------------- | ----------- |
+| Annie Lee    | [leeyun-amzn](https://github.com/leeyun-amzn)     | Amazon      |
+| Bowen Lan    | [bowenlan-amzn](https://github.com/bowenlan-amzn) | Amazon      |
+| Drew Baugher | [dbbaughe](https://github.com/dbbaughe)           | Amazon      |
+| Ravi         | [thalurur](https://github.com/thalurur)           | Amazon      |