Rename FEAScript to FEAScript-core title in README.md

Author: nikoscham

README.md

@@ -1,6 +1,6 @@
 <img src="https://feascript.github.io/FEAScript-website/assets/FEAScriptLogo.png" width="80" alt="FEAScript Logo">
 
-# FEAScript
+# FEAScript-core
 
 [FEAScript](https://feascript.com/) is a lightweight finite element simulation library built in JavaScript. It empowers users to create and execute browser-based simulations for physics and engineering applications. This is the core library of FEAScript.