Update README.md to reflect website status

Author: nikoscham

README.md

@@ -1,6 +1,8 @@
 <img src="https://feascript.github.io/FEAScript-website/images/FEAScriptLogo.png" width="80">
 
-## Introduction
+## FEAScript-website
+
+![website status](https://img.shields.io/website?url=https%3A%2F%2Ffeascript.com%2F)
 
 FEAScript is an open-source JavaScript library for solving differential equations using the finite element method. This is the source code of the FEAScript <a href="https://feascript.com/" target="_blank">website</a>.