feat: update

libs/gtag.ts

@@ -1,4 +1,4 @@
-export const GA_TRACKING_ID = process.env.NEXT_PUBLIC_GA_ID;
+import { GA_TRACKING_ID } from "./config";
 
 // https://developers.google.com/analytics/devguides/collection/gtagjs/pages
 export const pageview = (url: string) => {