Gree (#13904)

* Gree Integration

* Update source/_integrations/gree.markdown

Co-authored-by: Klaas Schoute <klaas_schoute@hotmail.com>

* Update source/_integrations/gree.markdown

Co-authored-by: Klaas Schoute <klaas_schoute@hotmail.com>

* Removing unnecessary options from example

* Remove YAML config support

* ✏️ Tweaks

* ✏️ Tweaks

* ✏️ Tweak

Co-authored-by: Klaas Schoute <klaas_schoute@hotmail.com>
Co-authored-by: Franck Nijhof <git@frenck.dev>

source/_integrations/gree.markdown

@@ -0,0 +1,24 @@
+---
+title: Gree
+description: Instructions on how to integrate Gree Smart devices within Home Assistant.
+ha_category:
+  - Climate
+ha_release: 0.117
+ha_iot_class: Local Polling
+ha_config_flow: true
+ha_codeowners:
+  - '@cmroche'
+ha_domain: gree
+---
+
+The Gree integration allows you to control a [Gree Smart HVAC](http://global.gree.com/).
+ 
+## Configuration
+
+Go to the integrations page in your configuration and click on **new integration** -> **Gree**.
+
+Gree Smart compatible devices are detected and added automatically.
+
+## Supported models
+
+Any Gree Smart device working with the Gree+ app should be supported, including non-Gree branded devices, including some sold by Trane.