Update README.md

Author: AngusJohnson

README.md

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 # Clipper2
 ### A Polygon <a href="https://en.wikipedia.org/wiki/Clipping_(computer_graphics)">Clipping</a> and <a href="https://en.wikipedia.org/wiki/Parallel_curve">Offsetting</a> library (in C++, C# &amp; Delphi)<br>
 [![GitHub Actions C++ status](https://github.com/AngusJohnson/Clipper2/actions/workflows/actions_cpp.yml/badge.svg)](https://github.com/AngusJohnson/Clipper2/actions/workflows/actions_cpp.yml)&nbsp;[![C#](https://github.com/AngusJohnson/Clipper2/actions/workflows/actions_csharp.yml/badge.svg)](https://github.com/AngusJohnson/Clipper2/actions/workflows/actions_csharp.yml)&nbsp;[![License](https://img.shields.io/badge/License-Boost_1.0-lightblue.svg)](https://www.boost.org/LICENSE_1_0.txt)
-![Nuget](https://img.shields.io/nuget/v/Clipper2?color=green)
+[![Nuget](https://img.shields.io/nuget/v/Clipper2?color=green)](https://www.nuget.org/packages/Clipper2)
 [![documentation](https://user-images.githubusercontent.com/5280692/187832279-b2a43890-da80-4888-95fe-793f092be372.svg)](http://www.angusj.com/clipper2/Docs/Overview.htm)
 
 The <b>Clipper2</b> library performs **intersection**, **union**, **difference** and **XOR** boolean operations on both simple and complex polygons. It also performs polygon offsetting. This is a major update of my original <a href="https://sourceforge.net/projects/polyclipping/"><b>Clipper</b></a> library that written over 10 years ago. That library I'm now calling <b>Clipper1</b> and while it still works very well, Clipper2 is [better](http://www.angusj.com/clipper2/Docs/Changes.htm) in just about every way.