Update README.md

Author: glibnub

apps/music/README.md

@@ -5,6 +5,7 @@ languages:
 products:
 - windows
 - windows-uwp
+description: "A music app written for UWP and tvOS by using Xamarin to share the business logic, view models, playlist management, cloud and device communication."
 ---
 
 <!---
@@ -26,27 +27,25 @@ The app lets a group of friends collaborate on the music selection process and s
 
 The UI is written using the native controls and affordances of each platform. Using the shared project, additional platforms such as Android and iOS can easily be added.
 
-# Setup
+## Setup
 
-## Keys.cs
+### Keys.cs
 To run the app yourself, you will need to populate the Music.PCL/Keys.cs file for the following services:
 
-### 1. Azure App Service
+#### 1. Azure App Service
 
 The backend for Backdrop runs as a free App Service on Azure. If you don't have an Azure account, you can create a free account [here](https://azure.microsoft.com/free/).
 To publish the App Service to your Azure account, right click on the **music_appService** project in Visual Studio and click on **Publish**. Follow the steps to create a new App Service or publish the project to an existing App Service. Use the url of the App Service as the **SERVICE_URL** in Keys.cs
 
-### 2. Twitter
+#### 2. Twitter
 
 Twitter is used to authenticate a user to the Backdrop service and use their profile image. Backdrop uses the [UWP Community Toolkit](https://github.com/Microsoft/UWPCommunityToolkit) Twitter Service for authentication which requires a consumer key, consumer secret, and callback uri. Follow the steps [here](https://apps.twitter.com/app/new) to create a new Twitter app and paste the keys in Keys.cs once done. Visit the [UWP Community Toolkit documentation](https://developer.microsoft.com/en-us/windows/uwp-community-toolkit/services/twitter.htm) for more details.
 
-### 3. Soundcloud
+#### 3. Soundcloud
 
 Backdrop uses Soundcloud for it's music service and the API requires a client id, client secret, and redirect url. [Register a new SoundCloud app](http://soundcloud.com/you/apps/new) and paste the required information in Keys.cs
 
-***
-
-## Next Steps ##
+## Next Steps
 <!--- #### - Download the sample from the Windows Store. --->
 
 #### - Read the [blog post](https://blogs.windows.com/buildingapps/2016/09/23/background-audio-and-cross-platform-development-with-xamarin-app-dev-on-xbox-series)