Add new integration to control Electra Smart HVAC devices (#70361)

* Added new integration to support Electra Smart (HVAC)

* fixes + option to set scan interval

* renamed the module to electrasmart and added unittests

* added non tested files to .coveragerc

* changed the usage from UpdateCoordinator to each entity updates it self

* small fixes

* increased pypi package version, increased polling timeout to 60 seconds, improved error handling

* PARALLEL_UPDATE=1 to prevent multi access to the API

* code improvements

* aligned with the new HA APIs

* fixes

* fixes

* more

* fixes

* more

* more

* handled re-atuh flow

* fixed test

* removed hvac action

* added shabat mode

* tests: 100% coverage

* ran hassfest

* Update homeassistant/components/electrasmart/manifest.json

Co-authored-by: Shay Levy <levyshay1@gmail.com>

* Update homeassistant/components/electrasmart/manifest.json

Co-authored-by: Shay Levy <levyshay1@gmail.com>

* Update homeassistant/components/electrasmart/manifest.json

Co-authored-by: Shay Levy <levyshay1@gmail.com>

* Update homeassistant/components/electrasmart/climate.py

Co-authored-by: Shay Levy <levyshay1@gmail.com>

* address Shay's comments

* address Shay's comments

* address more comments

---------

Co-authored-by: Shay Levy <levyshay1@gmail.com>

CODEOWNERS

@@ -309,6 +309,8 @@ build.json @home-assistant/supervisor
 /homeassistant/components/egardia/ @jeroenterheerdt
 /homeassistant/components/eight_sleep/ @mezz64 @raman325
 /tests/components/eight_sleep/ @mezz64 @raman325
+/homeassistant/components/electrasmart/ @jafar-atili
+/tests/components/electrasmart/ @jafar-atili
 /homeassistant/components/elgato/ @frenck
 /tests/components/elgato/ @frenck
 /homeassistant/components/elkm1/ @gwww @bdraco