feat: add heater support

[YogevBokobza]

Description

Adding heater support.
heater is a new device, token based that acts more or less like Switcher Boiler devices.
This will solve the issue: #844

Checklist

• I have followed this repository's contributing guidelines.
• I will adhere to the project's code of conduct.

Additional information

[codecov]

Codecov Report

❌ Patch coverage is 97.50000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.90%. Comparing base (bd5c398) to head (8669473).
⚠️ Report is 3 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #835      +/-   ##
==========================================
- Coverage   98.99%   98.90%   -0.09%     
==========================================
  Files          11       11              
  Lines        1292     1370      +78     
==========================================
+ Hits         1279     1355      +76     
- Misses         13       15       +2     

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[TomerFi]

@YogevBokobza I unsubscribed to avoid the notifications. Please ping when this is ready for review so I can resubscribe. Thank you.

[TomerFi]

Looks like something is wrong with the stale action, the type: wip label is exempt, this should not have been labeled stale:
https://github.com/TomerFi/aioswitcher/blob/dev/.github/workflows/stale.yml#L21

[TomerFi]

I'm removing the Stale action because it's not working as expected.

[YogevBokobza]

Update:
Almost ready to be Open.
Need to check the functionality of the power consumption and electric current

[YogevBokobza]

Finallly, heater is done for review.
@TomerFi @thecode