Add more maintainers (opensearch-project#729)

* Add more maintainers.

Signed-off-by: Xuesong Luo <[email protected]>

* Add more maintainers.

Signed-off-by: Xuesong Luo <[email protected]>

* Add more maintainers.

Signed-off-by: Xuesong Luo <[email protected]>

---------

Signed-off-by: Xuesong Luo <[email protected]>

Author: xluo-aws

Diff for: .github/CODEOWNERS

@@ -1 +1,2 @@
 *   @tianleh @kavilla @ohltyler @CCongWang @ashwin-pc @peterzhuamazon @ananzh @prudhvigodithi
+*   @xluo-aws @Hailong-am @SuZhou-Joe @ruanyl @wanglam @raintygao

Diff for: MAINTAINERS.md

@@ -5,15 +5,21 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 ## Current Maintainers
 
 | Maintainer        | GitHub ID                                           | Affiliation |
-| ----------------- | --------------------------------------------------- | ----------- |
+|-------------------| --------------------------------------------------- | ----------- |
 | Tianle Huang      | [tianleh](https://github.com/tianleh)               | Amazon      |
 | Kawika Avilla     | [kavilla](https://github.com/kavilla)               | Amazon      |
 | Tyler Ohlsen      | [ohltyler](https://github.com/ohltyler)             | Amazon      |
 | Cong Wang         | [CCongWang](https://github.com/CCongWang)           | Amazon      |
 | Ashwin P Chandran | [ashwin-pc](https://github.com/ashwin-pc)           | Amazon      |
 | Peter Zhu         | [peterzhuamazon](https://github.com/peterzhuamazon) | Amazon      |
 | Anan Zhuang       | [ananzh](https://github.com/ananzh)                 | Amazon      |
-| Prudhvi Godithi | [prudhvigodithi](https://github.com/prudhvigodithi)   | Amazon      |
+| Prudhvi Godithi   | [prudhvigodithi](https://github.com/prudhvigodithi) | Amazon      |
+| Xuesong Luo       | [xluo-aws](https://github.com/xluo-aws)             | Amazon      |
+| Hailong Cui       | [Hailong-am](https://github.com/Hailong-am)         | Amazon      |
+| Zhou Su           | [SuZhou-Joe](https://github.com/SuZhou-Joe)         | Amazon      |
+| Yulong Ruan       | [ruanyl](https://github.com/ruanyl)                 | Amazon      |
+| Lin Wang          | [wanglam](https://github.com/wanglam)               | Amazon      |
+| Tianyu Gao        | [raintygao](https://github.com/raintygao)           | Amazon      |
 
 ## Emeritus