#3490350 New API for icon management

kind: filename_presence
to:
  api_key: icon_packs
  file_glob: '*.icons.yml'
api_key: icon_extractor
kind: attribute_usage
target_kind: class
to:
  - \Drupal\Core\Theme\Icon\Attribute\IconExtractor
to:
  fqn: \Drupal\Core\Render\Element\Icon
to:
  fqn: \Drupal\Core\Theme\Icon\IconCollector
to:
  fqn: \Drupal\Core\Theme\Icon\IconDefinition
to:
  fqn: \Drupal\Core\Theme\Icon\IconDefinitionInterface
to:
  fqn: \Drupal\Core\Theme\Icon\IconExtractorBase
to:
  fqn: \Drupal\Core\Theme\Icon\IconExtractorInterface
to:
  fqn: \Drupal\Core\Theme\Icon\IconExtractorWithFinder
to:
  fqn: \Drupal\Core\Theme\Icon\IconExtractorWithFinderInterface
to:
  fqn: \Drupal\Core\Theme\Icon\Plugin\IconPackManager
to:
  fqn: \Drupal\Core\Theme\Icon\Plugin\IconPackManagerInterface