Add new MAINTAINERS to CODEOWNERS file (#4199)

* Add new code owners

Signed-off-by: Tao Liu <liutaoaz@amazon.com>

* modify changelog.md

Signed-off-by: Tao Liu <liutaoaz@amazon.com>

---------

Signed-off-by: Tao Liu <liutaoaz@amazon.com>

Author: Flyingliuhub

.github/CODEOWNERS

@@ -1 +1 @@
-*   @ananzh @kavilla @seanneumann @AMoo-Miki @ashwin-pc @joshuarrrr @abbyhu2000 @zengyan-amazon @kristenTian @zhongnansu @manasvinibs
+*   @ananzh @kavilla @seanneumann @AMoo-Miki @ashwin-pc @joshuarrrr @abbyhu2000 @zengyan-amazon @kristenTian @zhongnansu @manasvinibs @ZilongX @Flyingliuhub

CHANGELOG.md

@@ -198,6 +198,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Use `exec` in the CLI shell scripts to prevent new process creation ([#3955](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3955))
 - Adding @ZilongX and @Flyingliuhub as maintainers. ([#4137](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4137))
 - Remove timeline application ([#3971](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3971))
+- Add new MAINTAINERS to CODEOWNERS file. ([#4199](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4199))
 
 ### 🪛 Refactoring