docs: add badge to readme.

README.md

@@ -2,6 +2,13 @@
 
 ![logo](Assets/LLamaSharpLogo.png)
 
+[![Discord](https://img.shields.io/discord/1106946823282761851?label=Discord)](https://discord.gg/M2fS4PNj)
+[![LLamaSharp Badge](https://img.shields.io/nuget/v/LLamaSharp?label=LLamaSharp)](https://www.nuget.org/packages/LLamaSharp)
+[![LLamaSharp Badge](https://img.shields.io/nuget/v/LLamaSharp.Backend.Cpu?label=LLamaSharp.Backend.Cpu)](https://www.nuget.org/packages/LLamaSharp.Backend.Cpu)
+[![LLamaSharp Badge](https://img.shields.io/nuget/v/LLamaSharp.Backend.Cuda11?label=LLamaSharp.Backend.Cuda11)](https://www.nuget.org/packages/LLamaSharp.Backend.Cuda11)
+[![LLamaSharp Badge](https://img.shields.io/nuget/v/LLamaSharp.Backend.Cuda12?label=LLamaSharp.Backend.Cuda12)](https://www.nuget.org/packages/LLamaSharp.Backend.Cuda12)
+
+
 The C#/.NET binding of [llama.cpp](https://github.com/ggerganov/llama.cpp). It provides APIs to inference the LLaMa Models and deploy it on native environment or Web. It works on 
 both Windows and Linux and does NOT require compiling llama.cpp yourself.