Add next-ga for Google Analytics

TODO.md

@@ -1,4 +1,3 @@
-* Google Analytics (ID `UA-58806132-1`)
 * Stripe
   * Test ID `pk_test_OmNve9H1OuORlmD4rblpjgzh`
   * Prod ID `pk_live_xrnwdLNXbt20LMxpIDffJnnC`

package.json

@@ -23,6 +23,7 @@
     "lodash": "^3.9.1",
     "next": "^9.0.6",
     "next-fonts": "^0.18.0",
+    "next-ga": "^2.3.4",
     "parse-github-event": "^0.2.0",
     "prop-types": "^15.5.10",
     "react": "^16.9.0",

pages/_app.jsx

@@ -0,0 +1,13 @@
+import React from "react";
+import App from "next/app";
+import Router from "next/router";
+import withGA from "next-ga";
+
+class MyApp extends App {
+  render() {
+    const { Component, pageProps } = this.props;
+    return <Component {...pageProps} />;
+  }
+}
+
+export default withGA("UA-58806132-1", Router)(MyApp);