podcast_publisher-1.0.0-alpha3/podcast_publisher.links.menu.yml

entity.podcast.settings:
  title: Podcasts
  description: Configure a Podcast entity type
  route_name:  entity.podcast.settings
  parent: system.admin_structure

podcast_publisher.content:
  title: Podcasts
  description: List of podcasts
  route_name: entity.podcast.collection
  parent: system.admin

podcast_publisher.extra_links:
  deriver: \Drupal\podcast_publisher\Plugin\Derivative\PodcastEpisodeMenuLinks
  menu_name: admin

entity.podcast_episode.settings:
  title: 'Podcast Episode'
  description: 'Configure a Podcast Episode entity type.'
  route_name:  entity.podcast_episode.settings
  parent: system.admin_structure