Add iAlarm documentation (#4106)

* Add iAlarm documentation

* bump version to 0.60 and add a link to the iAlarm documentation

* Use the configuration syntax on ialarm

* Update 'ha_release'

source/_components/alarm_control_panel.ialarm.markdown

@@ -0,0 +1,48 @@
+---
+layout: page
+title: "Antifurto365 iAlarm Control Panel"
+description: "Instructions how to integrate iAlarms alarms into Home Assistant."
+date: 2017-11-30 20:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: antifurto365-ialarm.png
+ha_category: Alarm
+ha_release: "0.60"
+---
+
+The `ialarm` platform provides connectivity with the [Antifurto365](https://www.antifurtocasa365.it/) iAlarm alarm systems.
+
+This platform supports the following services: `alarm_arm_away`, `alarm_arm_home` and `alarm_disarm`.
+
+To enable this, add the following lines to your `configuration.yaml`:
+
+```yaml
+# Example configuration.yaml entry
+alarm_control_panel:
+  - platform: ialarm
+    host: ALARM_SYSTEM_IP
+    username: YOUR_USERNAME
+    password: YOUR_PASSWORD
+```
+
+{% configuration %}
+  host:
+    description: The IP address of the iAlarm device on your home network.
+    required: true
+    type: string
+  username:
+    description: Username used to sign into the iAlarm web client (should be admin by default).
+    required: true
+    type: string
+  password:
+    description: Password used to sign into the iAlarm web client.
+    required: true
+    type: string
+  name:
+    description: Name of device in Home Assistant.
+    required: false
+    type: string
+{% endconfiguration %}
+