Hass Markdown for Tesla component. (#3273)

* Hass Markdown for Tesla component.

* Markdown fixed. Tesla logo added

* Spelling fixed.

* Fixes again

* Changes as @MartinHjelmare requested.

source/_components/tesla.markdown

@@ -0,0 +1,39 @@
+---
+layout: page
+title: "Tesla"
+description: "Instructions on how to integrate Tesla car into Home Assistant."
+date: 2017-08-28 17:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: tesla.png
+ha_category: Hub
+ha_release: 0.53
+ha_iot_class: "Cloud Polling"
+---
+
+
+The `Tesla` component offers integration with the [Tesla](https://auth.tesla.com/login) cloud service and provides presence detection as well as sensors such as charger state and temperature.
+
+This component provides the following platforms:
+ - Binary sensors - such as parking and charger connection.
+ - Sensors - such as Battery level, Inside/Outside temperature.
+ - Device tracker - to track location of your car
+ - Lock - Door lock. Enables you to control Tesla's door lock
+ - Climate - HVAC control. Allow you to control (turn on/off, set target temperature) your Tesla's HVAC system.
+
+To use Tesla in your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+tesla:
+  username: email
+  password: password
+```
+
+Configuration variables:
+
+- **username** (*Required*): The email address associated with your Tesla account.
+- **password** (*Required*): The password for your given Tesla account.
+- **scan_interval** (*Optional*): API polling interval. Minimal value can't be less then 300. (Defaults 300)