📚 Add My buttons to documentation (#169)

spotify/DOCS.md

@@ -14,13 +14,23 @@ have to do is hook up your sound system to the Pi and start booming!
 The installation of this add-on is pretty straightforward and not different in
 comparison to installing any other Home Assistant add-on.
 
-1. Search for the "Spotify Connect" add-on in the Supervisor add-on store
-   and install it.
+1. Click the Home Assistant My button below to open the add-on on your Home
+   Assistant instance.
+
+   [![Open this add-on in your Home Assistant instance.][addon-badge]][addon]
+
+1. Click the "Install" button to install the add-on.
 1. Select your audio output device and hit `Save` on that as well.
 1. Start the "Spotify Connect" add-on.
 1. Check the logs of the "Spotify Connect" to see if everything went well.
 1. Ready to go!
 
+Home Assistant, by default, ships with the Community Add-ons store installed.
+However, if it is missing (for any reason), you can add it by clicking the
+button My button below.
+
+[![Add repository to your Home Assitant instance.][repository-badge]][repository]
+
 ## Configuration
 
 **Note**: _Remember to restart the add-on when the configuration is changed._
@@ -156,3 +166,7 @@ SOFTWARE.
 [reddit]: https://reddit.com/r/homeassistant
 [releases]: https://github.com/hassio-addons/addon-spotify-connect/releases
 [semver]: http://semver.org/spec/v2.0.0.htm
+[addon-badge]: https://my.home-assistant.io/badges/supervisor_addon.svg
+[addon]: https://my.home-assistant.io/redirect/supervisor_addon/?addon=a0d7b954_spotify
+[repository-badge]: https://my.home-assistant.io/badges/supervisor_add_addon_repository.svg
+[repository]: https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2Fhassio-addons%2Frepository