fix(google analytics): anonymize IP in hits sent to google analytics

https://developers.google.com/analytics/devguides/collection/analyticsjs/ip-anonymization

src/index.tsx

@@ -35,6 +35,7 @@ if (typeof GOOGLE_ANALYTICS_ID === 'string') {
     }
   })
   ReactGA.set({
+    anonymizeIp: true,
     customBrowserType: !isMobile ? 'desktop' : 'web3' in window || 'ethereum' in window ? 'mobileWeb3' : 'mobileRegular'
   })
 } else {