Add overkiz heating status, absence mode, and boost mode binary senso…

…rs for Atlantic Water Heater (#114184)

* Adds heating status, absense mode, and boost mode binary sensors for Atlantic water heater

* Renamed absence mode and boost mode binary sensors

* Update homeassistant/components/overkiz/binary_sensor.py

Co-authored-by: TheJulianJES <TheJulianJES@users.noreply.github.com>

* Update homeassistant/components/overkiz/binary_sensor.py

Co-authored-by: TheJulianJES <TheJulianJES@users.noreply.github.com>

* Update homeassistant/components/overkiz/binary_sensor.py

Co-authored-by: TheJulianJES <TheJulianJES@users.noreply.github.com>

---------

Co-authored-by: TheJulianJES <TheJulianJES@users.noreply.github.com>

homeassistant/components/overkiz/binary_sensor.py

@@ -105,6 +105,22 @@ class OverkizBinarySensorDescription(BinarySensorEntityDescription):
         )
         == 1,
     ),
+    OverkizBinarySensorDescription(
+        key=OverkizState.CORE_HEATING_STATUS,
+        name="Heating status",
+        device_class=BinarySensorDeviceClass.HEAT,
+        value_fn=lambda state: state == OverkizCommandParam.ON,
+    ),
+    OverkizBinarySensorDescription(
+        key=OverkizState.MODBUSLINK_DHW_ABSENCE_MODE,
+        name="Absence mode",
+        value_fn=lambda state: state == OverkizCommandParam.ON,
+    ),
+    OverkizBinarySensorDescription(
+        key=OverkizState.MODBUSLINK_DHW_BOOST_MODE,
+        name="Boost mode",
+        value_fn=lambda state: state == OverkizCommandParam.ON,
+    ),
 ]
 
 SUPPORTED_STATES = {