message: Adding harbor pages to table of contents.
diff: * [Environment Variables](using-lagoon-advanced/environment-variables.md)
  * [Base Images](using-lagoon-advanced/base-images.md)
  * [Workflows](using-lagoon-advanced/workflows.md)
  +* [Active/Standby](using-lagoon-advanced/active_standby.md)
  * [Backups](using-lagoon-advanced/backups.md)
  * [Remote Shell](using-lagoon-advanced/remote-shell.md)
  * [GraphQL](using-lagoon-advanced/graphql.md)
  * [OpenShift Requirements](administering-lagoon/openshift_requirements.md)
  * [GraphQL API](administering-lagoon/graphql-queries.md)
  * [Role-Based Access Control \(RBAC\)](administering-lagoon/rbac.md)
  + * [Harbor](administering-lagoon/harbor/using_harbor.md)
  + * [Security Scanning](administering-lagoon/harbor/security_scanning.md)
  + * Harbor Settings
  + * [harborclair](administering-lagoon/harbor/harbor-container-settings/harborclair.md)
  + * [harborclairadapter](administering-lagoon//harbor/harbor-container-settings/harborclairadapter.md)
  + * [harborregistry](administering-lagoon/harbor/harbor-container-settings/harborregistry.md)
  + * [harborregistryctl](administering-lagoon/harbor/harbor-container-settings/harborregistryctl.md)
  + * [harbor-core](administering-lagoon/harbor/harbor-container-settings/harbor-core.md)
  + * [harbor-database](administering-lagoon/harbor/harbor-container-settings/harbor-database.md)
  + * [harbor-jobservice](administering-lagoon/harbor/harbor-container-settings/harbor-jobservice.md)
  ## Docker Images
  