Add sections for "Why Use FEAScript" and "How to Use FEAScript" in index.html

Author: nikoscham

index.html

@@ -93,14 +93,16 @@ <h1 class="top">
     <h1>A JavaScript Finite Element Simulation Library</h1>
 
     <ul id="menu">
-      <li><a href="#gettingstarted">Getting Started</a></li>
+      <li><a href="#whyusefeascript">Why Use FEAScript</a></li>
+      <li><a href="#howtousefeascript">How to Use FEAScript</a></li>
       <li><a href="#features">Features</a></li>
       <li><a href="#tutorials">Tutorials</a></li>
       <li><a href="#documentation">Documentation</a></li>
       <li><a href="#licensing">Licensing</a></li>
       <li class="external-link-start" style="border: 2px solid #e0e0e0; padding: 5px; border-radius: 4px">
         <a href="https://platform.feascript.com/" style="color: #555"> FEAScript Platform</a>
       </li>
+      <br />
       <li class="icon-link-start">
         <a href="https://blog.feascript.com/" title="FEAScript blog">
           <img
@@ -174,7 +176,25 @@ <h1>A JavaScript Finite Element Simulation Library</h1>
     </div>
 
     <div style="margin-top: 0.5em"></div>
-    <h2 id="gettingstarted"><a name="Getting Started"></a>Getting Started</h2>
+    <h2 id="whyusefeascript"><a name="Why Use FEAScript"></a>Why Use FEAScript</h2>
+
+    <ul>
+      <li>
+        <strong>No installation:</strong> Engineers hate installs, and FEAScript runs directly in the browser
+        without any installation.
+      </li>
+      <li>
+        <strong>Portability:</strong> Works everywhere JavaScript runs (Windows, macOS, and Linux systems that
+        use x64, IA-32, or ARM processors).
+      </li>
+      <li>
+        <strong>Open-source:</strong> The core library of FEAScript is open-source, removing the high cost
+        barrier of traditional FEA software.
+      </li>
+    </ul>
+
+    <div style="margin-top: 0.5em"></div>
+    <h2 id="howtousefeascript"><a name="Getting Started"></a>How to Use FEAScript</h2>
 
     <p>There are two ways to perform simulations with FEAScript:</p>
     <ul>