Add attribution footer on landing page

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: brunoborges

index.html

@@ -3005,6 +3005,7 @@ <h3>Default interface methods</h3>
 
   <footer>
     <p><a href="/">java.evolved</a> — Java has evolved. Your code can too.</p>
+    <p>Made with ❤️ by <a href="https://github.com/brunoborges" target="_blank" rel="noopener">Bruno Borges</a> and <a href="https://github.com/features/copilot" target="_blank" rel="noopener">GitHub Copilot</a></p>
   </footer>
 
   <div class="search-overlay" id="searchOverlay">