Add WLED integration (#28542)

* Add WLED integration

* Use f-string for uniq id in sensor platform

* Typing improvements

* Removes sensor & light platform

* Remove PARALLEL_UPDATES from integration level

* Correct type in code comment 'themselves'

* Use async_track_time_interval in async context

* Remove stale code

* Remove decorator from Flow handler

* Remove unused __init__ from config flow

* Move show form methods to sync

* Only wrap lines that can raise in try except block

* Remove domain and platform from uniq id

* Wrap light state in bool object in is_on method

* Use async_schedule_update_ha_state in async context

* Return empty dict in device state attributes instead of None

* Remove unneeded setdefault call in setup entry

* Cancel update timer on entry unload

* Restructure config flow code

* Adjust tests for new uniq id

* Correct typo AdGuard Home -> WLED in config flow file comment

* Convert internal package imports to be relative

* Reformat JSON files with Prettier

* Improve tests based on review comments

* Add test for zeroconf when no data is provided

* Cleanup and extended tests

homeassistant/generated/config_flows.py

@@ -81,6 +81,7 @@ FLOWS = [
     "vesync",
     "wemo",
     "withings",
+    "wled",
     "wwlln",
     "zha",
     "zone",