Add support for bath heater

### What did you have in mind?

Hi!
Thanks for all your work!
If possible, please add support for the new [Switcher Heater](https://switcher.co.il/%D7%9E%D7%95%D7%A6%D7%A8/switcher-heater/).
Thanks! 🙏

### Are you trying to fix a problem?

_No response_

### Any lead on how this feature can be implemented?

_No response_