Update CONTRIBUTORS.md
Update CONTRIBUTORS.md

OskarStark/EasyAdminBundle,OskarStark/EasyAdminBundle,yceruto/EasyAdminBundle,javiereguiluz/EasyAdminBundle,OskarStark/EasyAdminBundle,yceruto/EasyAdminBundle,yceruto/EasyAdminBundle,javiereguiluz/EasyAdminBundle