Add support for turn_on/off, add note on Away mode (#9965)

* Add support for turn_on/off, add note on Away mode

* Fix url

* ✏️ Tweak

source/_components/daikin.markdown

@@ -57,9 +57,10 @@ The `daikin` climate platform integrates Daikin air conditioning systems into Ho
 
 - [**set_hvac_mode**](/components/climate/#service-climateset_hvac_mode) (off, heat, cool, auto, or fan only)
 - [**target temperature**](https://www.home-assistant.io/components/climate#service-climateset_temperature)
+- [**turn on/off**](https://www.home-assistant.io/components/climate#service-climateturn_on)
 - [**fan mode**](https://www.home-assistant.io/components/climate#service-climateset_fan_mode) (speed)
 - [**swing mode**](https://www.home-assistant.io/components/climate#service-climateset_swing_mode)
-- [**set_preset_mode**](https://www.home-assistant.io/components/climate#service-climateset_away_mode) (away, home)
+- [**set_preset_mode**](https://www.home-assistant.io/components/climate#service-climateset_preset_mode) (away, none)
 
 Current inside temperature is displayed.
 
@@ -69,6 +70,17 @@ Some models do not support setting of **fan speed** or **swing mode**.
 
 </div>
 
+<div class='note'>
+
+Preset mode **away** translates to Daikin's *Holiday Mode*:<br/>
+*Holiday mode* is used when you want to turn off your units when you leave you home for a longer time.<br/>
+<br/>
+When *Holiday mode* is enabled, the following action take place:
+- All connected units are turned OFF.
+- All schedule timers are disabled."
+
+</div>
+
 ## Sensor
 
 The `daikin` sensor platform integrates Daikin air conditioning systems into Home Assistant, enabling displaying the following parameters: