Feature - Google Analytics - Addressing PR Comments.

server/modules/google-analytics.js

@@ -0,0 +1,11 @@
+let GoogleAnalytics = (() => {
+    function getGoogleAnalyticsScript(tagId) {
+        return "<script async src=\"https://www.googletagmanager.com/gtag/js?id=" + tagId + "\"></script>" +
+            "<script>window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date());gtag('config', '" + tagId + "'); </script>";
+    }
+    return {
+        getGoogleAnalyticsScript: getGoogleAnalyticsScript
+    };
+})();
+
+module.exports = GoogleAnalytics;