Support climate.turn_on and .turn_off actions

As requested in #21.

Author: niobos

custom_components/mitsubishi/climate.py

@@ -116,8 +116,10 @@ class MitsubishiClimate(MitsubishiEntity, ClimateEntity):
     _attr_swing_modes = list(VSWING_HA_TO_MITSUBISHI.keys())
     _attr_swing_horizontal_modes = list(HSWING_HA_TO_MITSUBISHI.keys())
 
-    _attr_supported_features = (
-        ClimateEntityFeature.TARGET_TEMPERATURE
+    _attr_supported_features = (0
+        | ClimateEntityFeature.TURN_ON
+        | ClimateEntityFeature.TURN_OFF
+        | ClimateEntityFeature.TARGET_TEMPERATURE
         | ClimateEntityFeature.FAN_MODE
         | ClimateEntityFeature.SWING_MODE
         | ClimateEntityFeature.SWING_HORIZONTAL_MODE  # type: ignore[attr-defined]