cforge-2.0.x-dev/modules/cforge_gallery/cforge_gallery.links.menu.yml

#the tools menu might not be installed.
#cforge.admin.galleries:
#  title: Gallery names
#  route_name: entity.taxonomy_vocabulary.overview_form
#  route_parameters:
#    taxonomy_vocabulary: galleries
#  menu_name: tools
#  weight: 4

cforge.galleries:
  title: Galleries
  route_name: cforge.galleries
  menu_name: topright
  weight: 4