Add EBox sensor documentation (#2047)

source/_components/sensor.ebox.markdown

@@ -0,0 +1,56 @@
+---
+layout: page
+title: "EBox"
+description: "Instructions how to integrate EBox data usage within Home Assistant."
+date: 2017-02-15 17:17
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: ebox.jpg
+ha_category: Sensor
+ha_release: 0.39
+ha_iot_class: "Cloud Polling"
+---
+
+
+Integrate your [EBox](https://client.ebox.ca/) account information into Home Assistant.
+
+```yaml
+# Example configuration.yaml entry
+ensor:
+  - platform: ebox
+    username: MYUSERNAME
+    password: MYPASSWORD
+    monitored_variables:
+     - before_offpeak_download
+     - before_offpeak_upload
+     - before_offpeak_total
+     - offpeak_download
+     - offpeak_upload
+     - offpeak_total
+     - download
+     - upload
+     - total
+     - balance
+     - limit
+     - usage
+```
+
+Configuration variables:
+
+- **username** (*Required*): Your EBox username.
+- **password** (*Required*): Your EBox password.
+- **monitored_variables** array (*Required*): Variables to monitor.
+  - **before_offpeak_download**: Download before offpeak usage
+  - **before_offpeak_upload**: Upload before offpeak usage
+  - **before_offpeak_total**: Total before offpeak usage
+  - **offpeak_download**: Download offpeak usage
+  - **offpeak_upload**: Upload offpeak usage
+  - **offpeak_total**: Total offpeak usage
+  - **download**: Download usage
+  - **upload**: Upload usage
+  - **total**: Total usage
+  - **balance**: Account balance
+  - **limit**: Limit usage
+  - **usage**: Percent Usage