pm-4.1.x-dev/pm.routing.yml

pm.overview:
  path: '/pm'
  defaults:
    _controller: '\Drupal\pm\Controller\PmDashboardController::dashboard'
    _title: 'Project Management'
  requirements:
    _permission: 'access content'

pm.admin:
  path: '/admin/pm'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::overview'
    link_id: 'pm.admin'
    _title: 'Project Management Admin'
  requirements:
    _permission: 'administer pm configuration'

pm.admin.content_items:
  path: '/admin/pm/content'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Content'
  requirements:
    _permission: 'administer pm configuration'

pm.admin.content_settings:
  path: '/admin/pm/content-settings'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Content Settings'
  requirements:
    _permission: 'administer pm configuration'

pm.admin.config_items:
  path: '/admin/pm/config-items'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Config'
  requirements:
    _permission: 'administer pm configuration'

pm.admin.config_settings:
  path: '/admin/pm/config-settings'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Config Settings'
  requirements:
    _permission: 'administer pm configuration'