* Entity#unique_id defaults to None
* Initial commit entity registry
* Clean up unique_id property
* Lint
* Add tests to entity component
* Lint
* Restore some unique ids
* Spelling
* Remove use of IP address for unique ID
* Add tests
* Add tests
* Fix tests
* Add some docs
* Add one more test
* Fix new test…
* Lazy loading of service descriptions
* Fix tests
* Load YAML in executor
* Return a copy of available services to allow mutations
* Remove lint
* Add zha/services.yaml
* Only cache descriptions for known services
* Remove lint
* Remove description loading during service registration
* Remove description parameter from async_register
* Test async_get_all_descriptions
* Remove lint
* Fix typos from multi-edit
* Remove unused arguments
* Remove unused import os
* Remove unused import os, part 2
* Remove unneeded coroutine decorator
* Only use executor for loading files
* Cleanups suggested in review
* Increase test coverage
* Fix races in existing tests