Update README.md with new header

README.md

@@ -1,3 +1,4 @@
+![Terminal.Gui](https://socialify.git.ci/gui-cs/Terminal.Gui/image?description=1&font=Rokkitt&forks=1&language=1&logo=https%3A%2F%2Fraw.githubusercontent.com%2Fgui-cs%2FTerminal.Gui%2Fdevelop%2Fdocfx%2Fimages%2Flogo.png&name=1&owner=1&pattern=Circuit%20Board&stargazers=1&theme=Auto)
 ![.NET Core](https://github.com/gui-cs/Terminal.Gui/workflows/.NET%20Core/badge.svg?branch=master)
 ![Code scanning - action](https://github.com/gui-cs/Terminal.Gui/workflows/Code%20scanning%20-%20action/badge.svg)
 [![Version](https://img.shields.io/nuget/v/Terminal.Gui.svg)](https://www.nuget.org/packages/Terminal.Gui)