* Add foundation for integration services
* Fix tests
* Remove async_get_platform
* Migrate Sonos partially to EntityPlatform.async_register_entity_service
* Tweaks
* Move other Sonos services to media player domain
* Move other Sonos services to media player domain
* Address comments
* Remove lock
* Fix typos
* Use make_entity_service_schema
* Add area extraction to async_extract_entities
Co-authored-by: Anders Melchiorsen <amelchio@nogoto.net>
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