feat: add gtm

src/modules/gtm.ts

@@ -0,0 +1,7 @@
+import { createGtm } from '@gtm-support/vue-gtm'
+import type { UserModule } from '~/types'
+
+export const install: UserModule = ({ app }) => {
+  // add google tag manager, and add GA4 in gtag
+  app.use(createGtm({ id: 'GTM-5FJSV46' }))
+}