Add configuration for Plikc Ario Wifi Air Vent (#4039)
* Initial version using climate entity
* Remove redundant comments
* Switch LED and Fan DPs to be sensors, set ranges on dps where known. Improve comment on unimplemented DPs.
* Fix yamllint complaints
* Remove step from ranges
* feat (plikc_ariowifi_airvent): changes from review
- renamed file to follow convention and clearly separate model from type
- naming and translation changes
- use a separate main switch and integrate humidity switch to humidifier entity
- add most missing entities
PR #4039
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Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>