Add contact email to footer

Author: Valido

index.html

@@ -891,6 +891,7 @@ <h2>Your Data Stays Yours</h2>
 
   <!-- Footer -->
   <footer class="footer">
+    <p>Contact us: <a href="mailto:info@valido.site" style="color: var(--primary); text-decoration: none;">info@valido.site</a></p>
     <p>&copy; 2025 Valido. All rights reserved.</p>
   </footer>