Xiaomi Mi WiFi Repeater 2 integration as device tracker (#5077)

source/_components/device_tracker.xiaomi_miio.markdown

@@ -0,0 +1,38 @@
+---
+layout: page
+title: "Xiaomi Mi WiFi Repeater 2"
+description: "Instructions how to integrate your Xiaomi Mi WiFi Repeater 2 within Home Assistant."
+date: 2018-04-01 21:06
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: xiaomi.png
+ha_category: Sensor
+ha_version: 0.67
+ha_iot_class: "Local Polling"
+---
+
+The `xiaomi_miio` device tracker platform is observing your Xiaomi Mi WiFi Repeater 2 and reporting all associated WiFi clients.
+
+Please follow the instructions on [Retrieving the Access Token](/components/vacuum.xiaomi_miio/#retrieving-the-access-token) to get the API token.
+
+To add a Xiaomi Mi Air Quality Monitor to your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+device_tracker:
+  - platform: xiaomi_miio
+    host: 192.168.130.73
+    token: YOUR_TOKEN
+```
+
+{% configuration %}
+host:
+  description: The IP address of your miio device.
+  required: true
+  type: string
+token:
+  description: The API token of your miio device.
+  required: true
+  type: string
+{% endconfiguration %}