Update Heat Conduction 1D Wall tutorial links

Author: nikoscham

index.html

@@ -231,8 +231,11 @@ <h2 id="tutorials"><a name="Tutorials"></a>Tutorials</h2>
     </p>
     <ul>
       <li>
-        <a href="https://feascript.com/tutorials/HeatConduction1DWall.html" target="_blank"
-          >Heat conduction through wall (API)</a
+        Heat conduction through wall:
+        <a href="https://feascript.com/tutorials/HeatConduction1DWall.html" target="_blank">API</a>
+        |
+        <a href="https://github.com/FEAScript/FEAScript-platform/tree/main/examples/solidHeatTransferScript/HeatConduction1DWall" target="_blank"
+          >XML (Platform)</a
         >
       </li>
       <li>