Add hydroquebec sensor documentation (#1581)

source/_components/sensor.hydroquebec.markdown

@@ -0,0 +1,54 @@
+---
+layout: page
+title: "Hydro-Québec"
+description: "Instructions how to integrate Hydro-Québec consumption profile within Home Assistant."
+date: 2016-12-10 0:15
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: hydroquebec.svg
+ha_category: Energy
+ha_release: 0.35
+ha_iot_class: "Cloud Polling"
+---
+
+
+Integrate your [Hydro-Québec](https://www.hydroquebec.com/portail/) consumption profile information into Home Assistant.
+
+```yaml
+# Example configuration.yaml entry
+ensor:
+  - platform: hydroquebec
+    username: MYUSERNAME
+    password: MYPASSWORD
+    monitored_variables:
+     - period_total_bill
+     - period_length
+     - period_total_days
+     - period_mean_daily_bill
+     - period_mean_daily_consumption
+     - period_total_consumption
+     - period_lower_price_consumption
+     - period_higher_price_consumption
+     - yesterday_total_consumption
+     - yesterday_lower_price_consumption
+     - yesterday_higher_price_consumption
+```
+
+Configuration variables:
+
+- **username** (*Required*): The App Token for your account.
+- **password** (*Required*): The App Token for your account.
+- **monitored_variables** array (*Required*): Variables to monitor.
+  - **period_total_bill** : Current period bill
+  - **period_length**: Current period length
+  - **period_total_days**: Total number of days in this period
+  - **period_mean_daily_bill**: Period daily average bill
+  - **period_mean_daily_consumption**: Period daily average consumption
+  - **period_total_consumption**: Total Consumption
+  - **period_lower_price_consumption**: Period Lower price consumption
+  - **period_higher_price_consumption**: Period Higher price consumption
+  - **yesterday_total_consumption**: Yesterday total consumption
+  - **yesterday_lower_price_consumption**: Yesterday lower price consumption
+  - **yesterday_higher_price_consumption**: Yesterday higher price consumption