fix(csp): add google-analytics.com to Content Security Policy

- Add https://www.google-analytics.com to connect-src directive
- Add https://*.google-analytics.com for subdomain support
- Fixes CSP violation blocking Google Analytics data collection
- Allows Google Analytics to send tracking data properly

Author: josegomez-dev

next.config.js

@@ -43,7 +43,7 @@ const nextConfig = {
               "style-src 'self' 'unsafe-inline' https://fonts.googleapis.com",
               "font-src 'self' https://fonts.gstatic.com data:",
               "img-src 'self' data: https: blob:",
-              "connect-src 'self' https://horizon-testnet.stellar.org https://horizon.stellar.org https://www.googleapis.com https://identitytoolkit.googleapis.com https://securetoken.googleapis.com https://firestore.googleapis.com https://firebase.googleapis.com https://firebaseinstallations.googleapis.com https://firebaselogging.googleapis.com https://firebaseremoteconfig.googleapis.com https://www.googletagmanager.com wss://horizon-testnet.stellar.org wss://horizon.stellar.org",
+              "connect-src 'self' https://horizon-testnet.stellar.org https://horizon.stellar.org https://www.googleapis.com https://identitytoolkit.googleapis.com https://securetoken.googleapis.com https://firestore.googleapis.com https://firebase.googleapis.com https://firebaseinstallations.googleapis.com https://firebaselogging.googleapis.com https://firebaseremoteconfig.googleapis.com https://www.googletagmanager.com https://www.google-analytics.com https://*.google-analytics.com wss://horizon-testnet.stellar.org wss://horizon.stellar.org",
               "frame-src 'self' https://*.youtube.com https://www.youtube.com",
               "base-uri 'self'",
               "form-action 'self'",