Add MCP Apps Working Group maintainers

Author: olaservo

MAINTAINERS.md

@@ -166,6 +166,11 @@ This document lists current maintainers in the Model Context Protocol project.
 - [Luca Chang](https://github.com/LucaButBoring)
 - [Inna Harper](https://github.com/ihrpr)
 
+### MCP Apps Working Group
+
+- [Liad Yosef](https://github.com/liady)
+- [Ido Salomon](https://github.com/idosal)
+
 ## About This Document
 
 This document is updated by the MCP maintainers and reflects the current