Issue #3221715 by nod_, brianperry: Add brianperry as coordinator for the...

Issue #3221715 by nod_, brianperry: Add brianperry as coordinator for the decoupled menus initiative

(cherry picked from commit 185cded0)

core/MAINTAINERS.txt

@@ -521,6 +521,7 @@ their responsibilities. The initiative coordinators are:
 
 Decoupled Menus Initiative
 - Théodore Biadala 'nod_' https://www.drupal.org/u/nod_
+- Brian Perry 'brianperry' https://www.drupal.org/u/brianperry
 
 Media Initiative
 - Janez Urevc 'slashrsm' https://www.drupal.org/u/slashrsm