Replace Documentation link with Getting Started in footer

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: congwang-mk

_layouts/default.html

@@ -378,7 +378,7 @@ <h4>Products</h4>
                         <h4>Resources</h4>
                         <ul>
                             <li><a href="/faq.html">FAQ</a></li>
-                            <li><a href="#docs">Documentation</a></li>
+                            <li><a href="/getting-started.html">Getting Started</a></li>
                             <li><a href="https://github.com/multikernel" target="_blank">GitHub</a></li>
                             <li><a href="/blog/">Technical Blog</a></li>
                             <li><a href="/contact.html">Support</a></li>