Update README.md

README.md

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 A utility to efficiently merge [Tailwind CSS](https://tailwindcss.com) classes in C# without style conflicts.
 
--   Supports Tailwind v3.4
+-   Supports Tailwind v3.3 up to v3.4
+
+## Acknowledgements 🙏
+
+This project is a complete reimplementation of [tailwind-merge](https://github.com/dcastil/tailwind-merge/tree/main) which was originally developed by [dcastil](https://github.com/dcastil). 
+
+This C# version has been developed to provide the same functionality in a different programming environment, catering to the needs of the .NET community.
+
+## Usage
+
+```csharp
+// Program.cs
+
+using TailwindMerge.Extensions;
+
+var builder = WebApplication.CreateBuilder( args );
+
+// Add service to the container
+builder.Services.AddTailwindMerge();
+```
+
+---
+
+Inject the registered service into the view/component:
+```razor
+@* Page.(razor/cshtml) *@
+
+@inject TwMerge TwMerge
+
+@TwMerge.Merge("px-2 py-1 bg-red hover:bg-dark-red", "p-3 bg-[#B91C1C]")
+@* → "hover:bg-dark-red p-3 bg-[#B91C1C]" *@
+```
+
+```csharp
+// Page.razor.cs
+
+[Inject] private TwMerge TwMerge {get; set; } = default!;
+
+TwMerge.Merge("px-2 py-1 bg-red hover:bg-dark-red", "p-3 bg-[#B91C1C]")
+// → "hover:bg-dark-red p-3 bg-[#B91C1C]"
+```