Issue #3292850 by tim.plunkett, chrisfromredfin, leslieg, xjm: Add Project...

Issue #3292850 by tim.plunkett, chrisfromredfin, leslieg, xjm: Add Project Browser intitative to MAINTAINERS.txt

(cherry picked from commit 29df1861)

core/MAINTAINERS.txt

@@ -534,6 +534,10 @@ Decoupled Menus Initiative
 Media Initiative
 - Janez Urevc 'slashrsm' https://www.drupal.org/u/slashrsm
 
+Project Browser Initiative
+- Leslie Glynn 'leslieg' https://www.drupal.org/u/leslieg
+- Chris Wells 'chrisfromredfin' https://www.drupal.org/u/chrisfromredfin
+
 
 Core mentoring coordinators
 ---------------------------