Add rfxtrx switch page

source/components/switch.rfxtrx.markdown

@@ -0,0 +1,29 @@
+---
+layout: page
+title: "RFXtrx switch support"
+description: "Instructions how to integrate RFXtrx switches into Home Assistant."
+date: 2015-10-08 10:15
+sidebar: false
+comments: false
+sharing: true
+footer: true
+---
+The rfxtrx platform support switches that communicate in the frequency range of 433.92 MHz.
+
+To enable RFXtrx switches in your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+switch:
+  platform: rfxtrx
+  devices:
+    ac09c4f1: Bedroom Door
+    ac09c4f2: Kitchen Door
+  automatic_add: True
+```
+
+Configuration variables:
+
+- **devices** (*Required*): A list of devices with their name to use in the frontend.
+- **automatic_add** (*Optional*): To enable the automatic addition of new switches.
+