Add SendGrid notify platform

source/_components/notify.sendgrid.markdown

@@ -0,0 +1,35 @@
+---
+layout: page
+title: "SendGrid"
+description: "Instructions how to add email notifications via SendGrid to Home Assistant."
+date: 2016-02-27 18:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: sendgrid.png
+ha_category: Notifications
+---
+
+The `sendgrid` notification platform sends email notifications via [SendGrid](https://sendgrid.com/), a proven cloud-based email platform.
+
+To enable notification emails via SendGrid in your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+notify:
+  name: NOTIFIER_NAME
+  platform: sendgrid
+  api_key: API_KEY
+  sender: SENDER_EMAIL_ADDRESS
+  recipient: YOUR_RECIPIENT
+```
+
+Configuration variables:
+
+- **name** (*Optional*): Setting the optional parameter `name` allows multiple notifiers to be created. The default value is `notify`. The notifier will bind to the service `notify.NOTIFIER_NAME`.
+- **api_key** (*Required*): SendGrid API key - https://app.sendgrid.com/settings/api_keys
+- **sender** (*Required*): E-mail address of the sender.
+- **recipient** (*Required*): Recipient of the notification.
+
+To use notifications, please see the [getting started with automation page]({{site_root}}/components/automation/).