docs(misc): add cookies prompt (#32197)

Add cookie consent for website using
[Cookiebot](https://www.cookiebot.com).

Moves all tracking logic into
`window.addEventListener('CookiebotOnAccept', ...)` callback.

Author: jaysoo

nx-dev/feature-analytics/src/lib/google-analytics.ts

@@ -7,12 +7,33 @@ import { Gtag } from './gtag';
 
 declare const gtag: Gtag;
 
+declare global {
+  interface Window {
+    Cookiebot?: any;
+  }
+}
+
 export function sendPageViewEvent(data: {
   gaId: string;
   path?: string;
   title?: string;
 }): void {
   if (process.env.NODE_ENV !== 'production') return;
+
+  // Check if user has consented to statistics cookies
+  if (
+    typeof window !== 'undefined' &&
+    window.Cookiebot &&
+    !window.Cookiebot.consent.statistics
+  ) {
+    return;
+  }
+
+  // Check if gtag is available (might not be loaded yet if consent was just given)
+  if (typeof gtag === 'undefined') {
+    return;
+  }
+
   try {
     gtag('config', data.gaId, {
       ...(!!data.path && { page_path: data.path }),
@@ -31,6 +52,21 @@ export function sendCustomEvent(
   customObject?: Record<string, unknown>
 ): void {
   if (process.env.NODE_ENV !== 'production') return;
+
+  // Check if user has consented to statistics cookies
+  if (
+    typeof window !== 'undefined' &&
+    window.Cookiebot &&
+    !window.Cookiebot.consent.statistics
+  ) {
+    return;
+  }
+
+  // Check if gtag is available (might not be loaded yet if consent was just given)
+  if (typeof gtag === 'undefined') {
+    return;
+  }
+
   try {
     gtag('event', action, {
       event_category: category,