Add UpCloud platform (#4543)

* Add UpCloud platform

* Add scan_interval for UpCloud.

* Update upcloud.markdown

* Update switch.upcloud.markdown

* Update binary_sensor.upcloud.markdown

source/_components/upcloud.markdown

@@ -0,0 +1,44 @@
+---
+layout: page
+title: UpCloud
+description: Instructions how to integrate UpCloud within Home Assistant.
+date: 2018-01-28 20:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Hub
+ha_release: 0.65
+logo: upcloud.png
+ha_iot_class: Cloud Polling
+---
+
+
+The `upcloud` component allows you to access the information about your [UpCloud](https://www.upcloud.com/) servers from Home Assistant.
+
+Set up your API user credentials in your [UpCloud control panel](https://my.upcloud.com/).
+
+To integrate your UpCloud servers with Home Assistant, add the following section to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+upcloud:
+  username: YOUR_API_USERNAME
+  password: YOUR_API_PASSWORD
+```
+
+{% configuration %}
+username:
+  description: Your UpCloud API username.
+  required: true
+  type: string
+password:
+  description: Your UpCloud API user password.
+  required: true
+  type: string
+scan_interval:
+  description: Update interval in seconds.
+  required: false
+  type: int
+  default: 60
+{% endconfiguration %}