docs: Add unoplatform references (#1602)

README.md

@@ -1,6 +1,6 @@
 # SkiaSharp
 
-[![SkiaSharp](https://img.shields.io/nuget/vpre/SkiaSharp.svg?maxAge=2592000&label=SkiaSharp%20nuget)](https://www.nuget.org/packages/SkiaSharp)  [![SkiaSharp.Views](https://img.shields.io/nuget/vpre/SkiaSharp.Views.svg?maxAge=2592000&label=SkiaSharp.Views%20nuget)](https://www.nuget.org/packages/SkiaSharp.Views)  [![SkiaSharp.Views.Forms](https://img.shields.io/nuget/vpre/SkiaSharp.Views.Forms.svg?maxAge=2592000&label=SkiaSharp.Views.Forms%20nuget)](https://www.nuget.org/packages/SkiaSharp.Views.Forms)  [![HarfBuzzSharp](https://img.shields.io/nuget/vpre/HarfBuzzSharp.svg?maxAge=2592000&label=HarfBuzzSharp%20nuget)](https://www.nuget.org/packages/HarfBuzzSharp)  
+[![SkiaSharp](https://img.shields.io/nuget/vpre/SkiaSharp.svg?maxAge=2592000&label=SkiaSharp%20nuget)](https://www.nuget.org/packages/SkiaSharp)  [![SkiaSharp.Views](https://img.shields.io/nuget/vpre/SkiaSharp.Views.svg?maxAge=2592000&label=SkiaSharp.Views%20nuget)](https://www.nuget.org/packages/SkiaSharp.Views)  [![SkiaSharp.Views.Forms](https://img.shields.io/nuget/vpre/SkiaSharp.Views.Forms.svg?maxAge=2592000&label=SkiaSharp.Views.Forms%20nuget)](https://www.nuget.org/packages/SkiaSharp.Views.Forms)  [![HarfBuzzSharp](https://img.shields.io/nuget/vpre/HarfBuzzSharp.svg?maxAge=2592000&label=HarfBuzzSharp%20nuget)](https://www.nuget.org/packages/HarfBuzzSharp)  [![SkiaSharp.Views.Uno](https://img.shields.io/nuget/vpre/SkiaSharp.Views.Uno.svg?maxAge=2592000&label=SkiaSharp.Views.Uno%20nuget)](https://www.nuget.org/packages/SkiaSharp.Views.Uno) 
 [![chat](https://img.shields.io/badge/chat-xamarin%2FXamarinComponents-E60256.svg)](https://gitter.im/xamarin/XamarinComponents)  [![SkiaSharp API Docs](https://img.shields.io/badge/docs-skiasharp-1faece.svg)](https://docs.microsoft.com/dotnet/api/SkiaSharp)  [![HarfBuzzSharp API Docs](https://img.shields.io/badge/docs-harfbuzzsharp-1faece.svg)](https://docs.microsoft.com/dotnet/api/SkiaSharp)  [![SkiaSharp Guides](https://img.shields.io/badge/docs-guides-1faece.svg)](https://docs.microsoft.com/xamarin/graphics-games/skiasharp/)  
 [![Build Status](https://dev.azure.com/devdiv/DevDiv/_apis/build/status/Xamarin/Components/SkiaSharp?branchName=master)](https://dev.azure.com/devdiv/DevDiv/_build/latest?definitionId=10789&branchName=master)  [![Build Status](https://dev.azure.com/xamarin/public/_apis/build/status/mono/SkiaSharp/SkiaSharp%20(Public)?branchName=master)](https://dev.azure.com/xamarin/public/_build/latest?definitionId=4&branchName=master)
 
@@ -21,6 +21,7 @@ SkiaSharp provides cross-platform bindings for:
  - Windows Classic Desktop (Windows.Forms / WPF)
  - Windows UWP (Desktop / Mobile / Xbox / HoloLens)
  - Web Assembly (WASM)
+ - Uno Platform (iOS / macOS / Android / WebAssembly / UWP)
 
 The [API Documentation](https://docs.microsoft.com/en-us/dotnet/api/SkiaSharp/) is
 available on the web to browse.