Added documentation for fritz dect switches (#1867)

source/_components/switch.fritzdect.markdown

@@ -0,0 +1,43 @@
+---
+layout: page
+title: "AVM FRITZ!DECT Switch"
+description: "Instructions how to integrate your AVM FRITZ!DECT switches into Home Assistant."
+date: 2017-01-24 21:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: avm.png
+ha_category: Switch
+ha_iot_class: "Local Polling"
+ha_release: 0.37
+---
+
+
+The `fritzdect` switch platform allows you to control the state of your [AVM FRITZ!DECT DECT-based wireless switches](https://en.avm.de/products/fritzdect/). The AVM FRITZ!DECT switches need to be paired to your Fritz!Box and then can be monitored and controlled via Home Assistant.
+
+Supported devices (tested):
+
+- FRITZ!DECT 200
+
+Supported Firmwares (tested):
+
+- FRITZ!OS: 06.80 / FRITZ!DECT: 03.83
+- FRITZ!OS: 06.60 / FRITZ!DECT: 03.83
+
+To use your AVM FRITZ!DECT switch(es) in your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+switch:
+  - platform: fritzdect
+    username: YOUR_USERNAME
+    password: YOUR_PASSWORD
+```
+
+Configuration variables:
+
+- **host** (*Optional*): The IP address / hostname of your Fritz!Box. Defaults to fritz.box.
+- **username** (*Required*): The username for your Fritz!Box.
+- **password** (*Required*): The password for your Fritz!Box.
+