Initial commit: AIFO official portal web.

Add static site, shared layout, and Node dev server with standard .gitignore.

Co-authored-by: Cursor <cursoragent@cursor.com>

assets/js/include.js

@@ -0,0 +1,7 @@
+document.addEventListener('DOMContentLoaded', () => {
+  document.querySelectorAll('[data-include]').forEach(el => {
+    fetch(el.dataset.include)
+      .then(res => res.text())
+      .then(html => el.innerHTML = html);
+  });
+});