Add airtouch5 documentation (#28523)

* Add airtouch5 documentation

* Minor english fixups

* Apply suggestions from code review

* Update source/_integrations/airtouch5.markdown

* tiny tweak

---------

Co-authored-by: Dave Leaver <dave@torutek.com>
Co-authored-by: Robert Resch <robert@resch.dev>
Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

CODEOWNERS

@@ -26,6 +26,7 @@ source/_integrations/airq.markdown @Sibgatulin @dl2080
 source/_integrations/airthings.markdown @danielhiversen
 source/_integrations/airthings_ble.markdown @vincegio @LaStrada
 source/_integrations/airtouch4.markdown @samsinnamon
+source/_integrations/airtouch5.markdown @danzel
 source/_integrations/airvisual.markdown @bachya
 source/_integrations/airvisual_pro.markdown @bachya
 source/_integrations/airzone.markdown @Noltari

source/_integrations/airtouch5.markdown

@@ -0,0 +1,26 @@
+---
+title: AirTouch 5
+description: Instructions on how to integrate the AirTouch 5 A/C controller into Home Assistant.
+ha_category:
+  - Climate
+ha_release: 2024.2
+ha_iot_class: Local Push
+ha_config_flow: true
+ha_codeowners:
+  - '@danzel'
+ha_domain: airtouch5
+ha_platforms:
+  - climate
+ha_integration_type: integration
+---
+
+The AirTouch 5 integration allows you to control ducted air conditioning systems that are using the [AirTouch 5](https://www.airtouch.net.au/smart-air-conditioning/airtouch-5/) controller.
+
+{% include integrations/config_flow.md %}
+
+## Entities
+
+### Climate
+
+The integration will create a climate entity for each AC unit and each zone.
+