* Rework fan data templates to support preset modes, and define data for the Inovelli LZW36
* Add tests. Add dispatching to async_set_preset_mode in async_turn_on.
* Add a test case for invalid preset modes
* Remove unintended merge artifact
* Fix indentation
* Fix merge error
* rm blank line
* Add tests for invalid fan config data, and fix an issue where this prevented the node from being added.
* Fix tests and improve error handling