Add Linode component docs (#3821)

source/_components/binary_sensor.linode.markdown

@@ -10,7 +10,7 @@ footer: true
 ha_category: System Monitor
 logo: linode.png
 ha_release: 0.57
-ha_iot_class: "Local Polling"
+ha_iot_class: "Cloud Polling"
 ---
 
 The `linode` binary sensor platform allows you to monitor your Linode nodes.
@@ -25,6 +25,10 @@ binary_sensor:
       - 'myvpsname'
 ```
 
-Configuration variables:
+{% configuration %}
+  nodes:
+    description:  List of VPSs you want to control.
+    required: true
+    type: string
+{% endconfiguration %}
 
-- **nodes** (*Required*): List of VPSs you want to control.

source/_components/linode.markdown

@@ -0,0 +1,34 @@
+---
+layout: page
+title: "Linode"
+description: "Instructions on how to set up Linode within Home Assistant."
+date: 2017-10-20 08:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Hub
+logo: linode.png
+ha_release: 0.57
+ha_iot_class: "Cloud Polling"
+---
+
+The `linode` component allows you to access the information about your [Linode](https://welcome.linode.com) systems from Home Assistant.
+
+Obtain your API key from Linode account.
+
+To integrate Linode with Home Assistant, add the following section to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+linode:
+  access_token: YOUR_API_KEY
+```
+
+{% configuration %}
+  access_token:
+    description: The Linode access token.
+    required: true
+    type: string
+{% endconfiguration %}
+