Add felixreiseberg and marshallofsound to mcpb-maintainers (#15)

Adds Felix (felixreiseberg) and Sam (marshallofsound) as maintainers for the Model Context Protocol Bundle (MCPB) project.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

src/config/users.ts

@@ -115,6 +115,10 @@ export const MEMBERS: readonly Member[] = [
     github: 'fabpot',
     memberOf: ['php-sdk'],
   },
+  {
+    github: 'felixreiseberg',
+    memberOf: ['mcpb-maintainers'],
+  },
   {
     github: 'felixweinberger',
     memberOf: ['core', 'python-sdk', 'security-wg', 'typescript-sdk'],
@@ -192,6 +196,10 @@ export const MEMBERS: readonly Member[] = [
     github: 'markpollack',
     memberOf: ['java-sdk'],
   },
+  {
+    github: 'marshallofsound',
+    memberOf: ['mcpb-maintainers'],
+  },
   {
     github: 'mattt',
     memberOf: ['swift-sdk'],