Add documentation for the new mochad platform

This commit adds documentation around the mochad and mochad switch
platforms which are added in home-assistant/home-assistant#3970

source/_components/mochad.markdown

@@ -0,0 +1,32 @@
+---
+layout: page
+title: "Mochad"
+description: "Instructions how to integrate Mochad into Home Assistant."
+date: 2016-10-20 17:09
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Hub
+---
+
+The Mochad component is the main component to integrate all X10 platforms being
+controlled by [mochad](https://sourceforge.net/projects/mochad/). Besides this component you will have to setup your X10 devices separately.
+
+```yaml
+# Example configuration.yaml entry
+mochad:
+  host: localhost
+  port: 1099
+
+switch:
+  platform: mochad
+  devices:
+    - name: Light Switch
+      address: a1
+```
+
+Configuration variables:
+
+- **host** (*Optional*): The host that mochad is running on, defaults to *localhost*
+- **port** (*Optional*): The port that mochad is running on, defaults to *1099*