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

#84)

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

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

MAINTAINERS.md

@@ -1,9 +1,11 @@
-## Maintainers
+## Overview
 
-| Maintainer             | GitHub ID                                         | Affiliation |
-|------------------------|---------------------------------------------------|-------------|
-| Andriy Redko           | [reta](https://github.com/reta)                   | Aiven       |
-| Daniel Doubrovkine     | [dblock](https://github.com/dblock)               | Amazon      |
-| David Venable          | [dlvenable](https://github.com/dlvenable)         | Amazon      |
+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).
 
-[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).
+## Current Maintainers
+
+| Maintainer         | GitHub ID                                 | Affiliation |
+| ------------------ | ----------------------------------------- | ----------- |
+| Andriy Redko       | [reta](https://github.com/reta)           | Aiven       |
+| Daniel Doubrovkine | [dblock](https://github.com/dblock)       | Amazon      |
+| David Venable      | [dlvenable](https://github.com/dlvenable) | Amazon      |