Add Third Reality as integration (#24555)

* Add Third Reality as integration

* Update source/_integrations/third_reality.markdown

* Address comments

* Add brand ssidebar

source/_integrations/third_reality.markdown

@@ -0,0 +1,35 @@
+---
+title: Third Reality
+description: Connect and control your Third Reality Zigbee devices using the Zigbee integration
+ha_release: '2022.10'
+ha_iot_class: Local Push
+ha_config_flow: true
+ha_category:
+  - Cover
+  - Switch
+  - Binary Sensor
+  - Sensor
+  - Button
+ha_domain: third_reality
+ha_integration_type: integration
+works_with:
+  - zigbee
+ha_platforms:
+  - binary_sensor
+  - button
+  - sensor
+  - switch
+  - cover
+ha_iot_standard: zigbee
+ha_brand: true
+---
+
+[Third Reality](https://3reality.com) is a member of the Works with Home Assistant partner program for their Zigbee products. Third Reality is committed to making sure their products are up-to-date and ready to use in Home Assistant.
+
+Third Reality Zigbee devices work locally and integrate seamlessly with the Zigbee integration in Home Assistant (Zigbee stick required).
+
+To add Third Reality products, pair them as Zigbee devices:
+
+{% my config_zha badge %}
+
+[Learn more about Zigbee in Home Assistant.](/integrations/zha)