Update MAINTAINERS.md (#945)

Signed-off-by: Hendrik Ebbers <hendrik.ebbers@web.de>

Author: hendrikebbers

MAINTAINERS.md

@@ -14,9 +14,11 @@ Maintainers are assigned the following scopes in this repository:
 
 <!-- Please keep this sorted alphabetically by github -->
 
-| Name | GitHub ID | Scope | LFID | Discord ID | Email | Company Affiliation |
-|----- | --------- | ----- | ---- | ---------- | ----- | ------------------- |
-|      |           |       |      |            |       |                     |
+| Name | GitHub ID  | Scope | LFID | Discord ID  | Email | Company Affiliation |
+|----- | ---------- | ----- | ---- | ----------- | ----- | ------------------- |
+|      | rwalworth  |       |      | robborg     |       | Hashgraph           |
+|      | SimiHunjan |       |      |             |       | Hashgraph           |
+|      | gsstoykov  |       |      | glime_39042 |       | LimeChain           |
 
 
 ## Emeritus Maintainers