Migrate to Vite 7, improve UI (Copy/Download), and enhance API security

src/components/Footer.jsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { VERSION } from '../version';
+
+function Footer() {
+  return (
+    <footer className="bg-light border-top mt-2 py-2 flex-shrink-0">
+      <div className="container">
+        <div className="row">
+          <div className="col-md-6">
+            <p className="mb-0 text-muted small">
+              <strong>JMESPath Testing Tool</strong> {VERSION === 'unknown' ? VERSION : `v${VERSION}`} - Created for testing and validating JMESPath expressions
+            </p>
+          </div>
+          <div className="col-md-6 text-md-end">
+            <p className="mb-0 text-muted small">
+              Licensed under <a href="https://opensource.org/licenses/MIT" target="_blank" rel="noopener noreferrer" className="text-decoration-none">MIT License</a> |
+              <a href="https://jmespath.org/" target="_blank" rel="noopener noreferrer" className="text-decoration-none ms-2">
+                Learn JMESPath
+              </a>
+            </p>
+          </div>
+        </div>
+      </div>
+    </footer>
+  );
+}
+
+export default Footer;