Add initial ZAMG docs (#1549)

source/_components/sensor.zamg.markdown

@@ -0,0 +1,66 @@
+---
+layout: page
+title: "ZAMG Sensor"
+description: "Instructions how to integrate ZAMG sensors within Home Assistant."
+date: 2016-12-06 08:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: zamg.png
+ha_category: Weather
+ha_release: 0.35
+---
+
+The `zamg` platform uses meteorological details published by the Austrian weather service [Zentralanstalt für
+ Meteorologie und Geodynamik (ZAMG)](https://www.zamg.ac.at/).
+
+The following stations are available:
+
+| `station_id` | Location         |
+| :----------- |:-----------------|
+| 11010        | Linz/Hörsching   |
+| 11012        | Kremsmünster     |
+| 11022        | Retz             |
+| 11035        | Wien/Hohe Warte  |
+| 11036        | Wien/Schwechat   |
+| 11101        | Bregenz          |
+| 11121        | Innsbruck        |
+| 11126        | Patscherkofel    |
+| 11130        | Kufstein         |
+| 11150        | Salzburg         |
+| 11155        | Feuerkogel       |
+| 11157        | Aigen im Ennstal |
+| 11171        | Mariazell        |
+| 11190        | Eisenstadt       |
+| 11204        | Lienz            |
+
+To add ZAMG to your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+sensor:
+  - platform: zamg
+    station_id: 11035
+    monitored_conditions:
+      - temperature
+      - humidity
+```
+
+Configuration variables:
+
+- **station_id** (*Required*): Your API key for http://openweathermap.org/.
+- **name** (*Optional*): Additional name for the sensors. Defaults to platform name.
+- **monitored_conditions** array (*Required*): Conditions to display in the frontend.
+  - **pressure**: Pressure at station level
+  - **pressure_sealevel**: Pressure at sea Level
+  - **humidity**: Humidity
+  - **wind_speed**: Wind speed
+  - **wind_bearing**: Wind bearing
+  - **wind_max_speed**: Top wind speed
+  - **wind_max_bearing**: Top wind bearing
+  - **sun_last_hour**: Sun last hourpercentage
+  - **temperature**: Temperature
+  - **precipitation**: Precipitation
+  - **dewpoint**: Dew point
+