Add device Poolstyle Heat Pump (#4364)
* Add poolstyle_heatpump.yaml
* Linting poolstyle_heatpump.yaml
* fix (poolstyle_heatpump): naming tweaks
- top level name should be generic
- model should not be a description
- problem sensor does not need an explicit name
- heat_cool more appropriate for hvac_mode than auto, as that implies some scheduled, or smart feature.
PR #4364
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Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>