Merge pull request #215 from kzu/badges

Enhance README with version and downloads badges

Author: neuecc

ReadMe.md

@@ -1,6 +1,8 @@
 ConsoleAppFramework
 ===
 [![GitHub Actions](https://github.com/Cysharp/ConsoleAppFramework/workflows/Build-Debug/badge.svg)](https://github.com/Cysharp/ConsoleAppFramework/actions) [![Releases](https://img.shields.io/github/release/Cysharp/ConsoleAppFramework.svg)](https://github.com/Cysharp/ConsoleAppFramework/releases)
+[![Version](https://img.shields.io/nuget/v/ConsoleAppFramework.svg?color=royalblue)](https://www.nuget.org/packages/ConsoleAppFramework)
+[![Downloads](https://img.shields.io/nuget/dt/ConsoleAppFramework.svg?color=darkmagenta)](https://www.nuget.org/packages/ConsoleAppFramework)
 
 ConsoleAppFramework v5 is Zero Dependency, Zero Overhead, Zero Reflection, Zero Allocation, AOT Safe CLI Framework powered by C# Source Generator; achieves exceptionally high performance, fastest start-up time(with NativeAOT) and minimal binary size. Leveraging the latest features of .NET 8 and C# 13 ([IncrementalGenerator](https://github.com/dotnet/roslyn/blob/main/docs/features/incremental-generators.md), [managed function pointer](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-9.0/function-pointers#function-pointers-1), [params arrays and default values lambda expression](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/lambda-expressions#input-parameters-of-a-lambda-expression), [`ISpanParsable<T>`](https://learn.microsoft.com/en-us/dotnet/api/system.ispanparsable-1), [`PosixSignalRegistration`](https://learn.microsoft.com/en-us/dotnet/api/system.runtime.interopservices.posixsignalregistration), etc.), this library ensures maximum performance while maintaining flexibility and extensibility.