Please add WH27S
<!--
First, You need enable Homebridge debug mode, check debug logging and you can see something like this:
```
[LGThinQ] [LGThinQ] Device not supported: thinq2: e3fc36b1-8e66-18e6-b45e-b8165xxxxxxxxxx: WPBoiler (undefined WHT_056905)
```
if device currently not supported, maybe
```
[LGThinQ] Device not supported:  xxx-xxx-xxx-xxx-xxx: Dryer (DRYER xxxxxxxx)
[LGThinQ] device data: *********************
```
-->

**Which device do you want to add? Please describe:**
<Heatpump boiler, for domestic water heater(DWH)>

**Describe the solution you'd like:**
<Supported temperature reading/setting,  Legionella on/off,  status>

**Device Data:**
<!-- Put a device data in debug log here. -->


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