Add reactive energy (#2659)

Co-authored-by: Abílio Costa <[email protected]>

Author: Passific

docs/core/entity/number.md

@@ -68,6 +68,7 @@ If specifying a device class, your number entity will need to also return the co
 | `NumberDeviceClass.PRECIPITATION` | cm, in, mm | Accumulated precipitation
 | `NumberDeviceClass.PRECIPITATION_INTENSITY` | in/d, in/h, mm/d, mm/h | Precipitation intensity
 | `NumberDeviceClass.PRESSURE` | cbar, bar, hPa, mmHg, inHg, kPa, mbar, Pa, psi | Pressure.
+| `NumberDeviceClass.REACTIVE_ENERGY` | varh, kvarh | Reactive energy
 | `NumberDeviceClass.REACTIVE_POWER` | var, kvar | Reactive power
 | `NumberDeviceClass.SIGNAL_STRENGTH` | dB, dBm | Signal strength
 | `NumberDeviceClass.SOUND_PRESSURE` | dB, dBA | Sound pressure

docs/core/entity/sensor.md

@@ -71,6 +71,7 @@ If specifying a device class, your sensor entity will need to also return the co
 | `SensorDeviceClass.PRECIPITATION` | cm, in, mm | Accumulated precipitation
 | `SensorDeviceClass.PRECIPITATION_INTENSITY` | in/d, in/h, mm/d, mm/h | Precipitation intensity
 | `SensorDeviceClass.PRESSURE` | cbar, bar, hPa, mmHg, inHg, kPa, mbar, Pa, psi | Pressure.
+| `SensorDeviceClass.REACTIVE_ENERGY` | varh, kvarh | Reactive energy
 | `SensorDeviceClass.REACTIVE_POWER` | var, kvar | Reactive power
 | `SensorDeviceClass.SIGNAL_STRENGTH` | dB, dBm | Signal strength
 | `SensorDeviceClass.SOUND_PRESSURE` | dB, dBA | Sound pressure