add helayoty, jasonbraganza, ydFu as New Membership Coordinators

Author: Priyankasaggu11929

github-management/README.md

@@ -56,7 +56,9 @@ GitHub organization.
 They also have approval privileges for adding new members to the GitHub config.
 
 Our current coordinators are:
-TBD
+* Ader Fu (**[ydFu](https://github.com/ydFu)**, Taipei Standard Time)
+* Heba Elayoty (**[helayoty](https://github.com/helayoty)**, Pacific Time)
+* Mario Jason Braganza (**[jasonbraganza](https://github.com/jasonbraganza)**, Indian Standard Time)
 
 ## Project Owned Organizations