Add Peachpie.Avalonia (#214)

* Add Peachpie.Avalonia

A library that allows you to create cross-platform applications in PHP in the .NET environment using Avalonia UI.

* Add Peachpie.Avalonia

Published in alphabetical order.

README.md

@@ -191,6 +191,7 @@ Contributions are always welcome! Please take a look at the [Contribution Guidel
 - [Lemon.ModuleNavigation](https://github.com/NeverMorewd/Lemon.ModuleNavigation) - .NET Generic Host support for Avaloniaui app.
 - [Nlnet.Avalonia.Css](https://github.com/liwuqingxin/Avalonia.Css) - A library for Avalonia to write styles like CSS.
 - [Nukepayload2.SourceGenerators.AvaloniaUI](https://github.com/Nukepayload2/Nukepayload2.SourceGenerators.AvaloniaUI) - Visual Basic source generator for typed Avalonia `x:Name` References.
+- [Peachpie.Avalonia](https://github.com/FibonacciFox/Peachpie.Avalonia) - Library that allows you to create cross-platform applications in PHP in the .NET environment using Avalonia UI.
 - [ShowMeTheXaml.Avalonia](https://github.com/AvaloniaUtils/ShowMeTheXaml.Avalonia) - A control that makes it easier to display the corresponding XAML at runtime.
 - [Verify.Avalonia](https://github.com/VerifyTests/Verify.Avalonia) - Extends Verify to allow verification of Avalonia UIs using headless testing.