add MAINTAINERS.md

Signed-off-by: YANG-DB <[email protected]>

Author: Signed-off-by: Lior perry

workbench/MAINTAINERS.md

@@ -0,0 +1,14 @@
+# OpenSearch dashboards-query-workbench Maintainers
+
+## Maintainers
+
+| Maintainer | GitHub ID | Affiliation |
+| --------------- | --------- | ----------- |
+| Anirudha (Ani) Jadhav | [anirudha](https://github.com/anirudha) | Amazon |
+| Peng Huo | [penghuo](https://github.com/penghuo) | Amazon |
+| Chen Dai | [dai-chen](https://github.com/dai-chen) | Amazon |
+| Chloe Zhang | [chloe-zh](https://github.com/chloe-zh) | Amazon |
+| Nick Knize | [nknize](https://github.com/nknize) | Amazon |
+| Charlotte Henkle | [CEHENKLE](https://github.com/CEHENKLE) | Amazon |
+| Max Ksyunz |  [MaxKsyunz](https://github.com/MaxKsyunz) | BitQuill |
+| Yury Fridlyand | [Yury-Fridlyand](https://github.com/Yury-Fridlyand) | BitQuill |