documentation for new component bmw_connected_drive (#4617)

* added first draft of documentation for bmw_connected_drive

* forgot to save...

* updated description of config file to latest implementation

* fixed reviews from @MartinHjelmare

* Minor changes

* Add periods

* Minor changes

* Minor changes

* Minor changes

* Fix

* It's a string

source/_components/bmw_connected_drive.markdown

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+---
+layout: page
+title: "BMW connected drive"
+description: "Instructions on how to setup your BMW connected drive account with Home Assistant."
+date: 2018-01-10 23:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: home-assistant.png
+ha_category: Other
+ha_release: 0.64
+---
+
+This component lets you retrieve data on your BMW vehicle from the BMW Connected Drive portal. You need to have a working BMW Connected Drive account and a Connected Drive enabled vehicle for this to work.
+
+For compatibility with your BMW vehicle check the (bimmer_connected page)[https://github.com/ChristianKuehnel/bimmer_connected] on github.
+
+To enable this component in your installation, add the following to your
+`configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+bmw_connected_drive:
+  mycar:
+    name: Car 1
+    username: USERNAME_BMW_CONNECTED_DRIVE
+    password: PASSWORD_BMW_CONNECTED_DRIVE
+    country: COUNTRY_BMW_CONNECTED_DRIVE
+```
+
+{% configuration %}
+bmw_connected_drive:
+  description: configuration
+  required: true
+  type: map
+  keys:
+    name:
+      description: Name of your account in Home Assistant.
+      required: true
+      type: string
+    username:
+      description: Your BMW Connected Drive username.
+      required: true
+      type: string
+    password:
+      description: Your BMW Connected Drive password.
+      required: true
+      type: string
+    country:
+      description: "The country of your Connected Drive account. Please use the exact names for the country as listed on the [Connected Drive website](https://www.bmw-connecteddrive.com/)."
+      required: true
+      type: string
+{% endconfiguration %}
+
+# {% linkable_title Disclaimer 
+
+This software is not affiliated with or endorsed by BMW Group. 

source/_components/device_tracker.bmw_connected_drive.markdown

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+---
+layout: page
+title: "BMW connected drive"
+description: "Instructions on how to setup your BMW connected drive account with Home Assistant."
+date: 2018-01-10 23:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: home-assistant.png
+ha_category: Other
+ha_release: 0.64
+---
+
+
+The `bmw_connected_drive` platform allows you to import data on your BMW into Home Assistant.
+
+The device tracker platform will be automatically configured if the `bmw_connected_drive` component is configured.
+
+For more configuration information see the [`bmw_connected_drive` component](/components/bmw_connected_drive/) documentation.

source/_components/sensor.bmw_connected_drive.markdown

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+---
+layout: page
+title: "BMW connected drive"
+description: "Instructions on how to setup your BMW connected drive account with Home Assistant."
+date: 2018-01-10 23:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: home-assistant.png
+ha_category: Other
+ha_release: 0.64
+---
+
+
+The `bmw_connected_drive` platform allows you to import data on your BMW into Home Assistant.
+
+The sensors will be automatically configured if the `bmw_connected_drive` component is configured.
+
+For more configuration information see the [`bmw_connected_drive` component](/components/bmw_connected_drive/) documentation.