Add preconnect hint for paypalobjects.com (~100ms LCP savings)

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

Author: ChengaDev

public/index.html

@@ -72,6 +72,7 @@
 		<link rel="preconnect" href="https://fonts.googleapis.com" />
 		<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin="anonymous" />
 		<link rel="preconnect" href="https://www.google-analytics.com" />
+		<link rel="preconnect" href="https://www.paypalobjects.com" />
 		<link
 			rel="preload"
 			href="https://fonts.googleapis.com/css2?family=Roboto:wght@300&family=Poppins:wght@400;500;600;700;800&display=swap"