Merge pull request #511 from garlick/sam_maint

MAINTAINERS: add Sam Maloney

Author: mergify[bot]

MAINTAINERS.md

@@ -20,6 +20,7 @@ to this project, please refer to [CONTRIBUTING](CONTRIBUTING.md).
 | Vanessa Sochat   | [vsoch](https://github.com/vsoch)                     | LLNL        |
 | Becky Springmeyer| [springme](https://github.com/springme)               | LLNL        |
 | William Hobbs    | [wihobbs](https://github.com/wihobbs)                 | LLNL        |
+| Sam Maloney      | [sam-maloney](https://github.com/sam-maloney)         | FZJ-JSC     |
 
 ## Maintainers Emeritus