Update link to Blockly website

Author: nikoscham

index.html

@@ -238,7 +238,7 @@ <h2 id="howtousefeascript"><a name="Getting Started"></a>How to Use FEAScript</h
       <li>
         <strong>FEAScript Platform:</strong> The FEAScript Platform provides a no-code, block-based interface
         (based on
-        <a href="https://developers.google.com/blockly/">
+        <a href="https://blockly.com/">
           Blockly<img
             src="https://upload.wikimedia.org/wikipedia/commons/4/44/Icon_External_Link.svg"
             alt="External Link Icon"