pm-4.1.x-dev/modules/pm_timetracking/pm_timetracking.links.menu.yml

entity.pm_timetracking.collection:
  title: 'Timetracking'
  route_name: entity.pm_timetracking.collection
  parent: pm.admin.content_items
  description: ''
  weight: -15

entity.pm_timetracking_type.collection:
  title: 'Timetracking types'
  parent: pm.admin.content_settings
  route_name: entity.pm_timetracking_type.collection
  weight: -14