Add support for Mi-Heat TH11-WF thermostat (#3793)
* Add support for Mi-Heat TH11-WF thermostat
* Add config for new device
* Add translation_keys for "holiday_mode" and "eco_mode"
* Add default icons for said translation_keys
* Fixed lint and type errors
* cleanup (miheat_th11wf_thermostat): changes from review
- rename file without hyphens to follow brand_model_type convention.
- comment products section with invalid id
- remove redundant `persist: true` directives
- fix step config for temperature
- combine mode and holiday_mode into climate preset_mode
- rename eco_mode to Eco, which is the same in most languages
- revert translations for holiday_mode and eco_mode
- convert status sensor with only value as "ok" to a problem binary_sensor
- convert window sensor to a binary_sensor, guessing the string values
- add icon for Boost, and use standard translations for times
PR #3783
* Fix typo in measurement class for thermostat
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Co-authored-by: Jason Rumney <jasonrumney@gmail.com>
Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>