Expand Google Pay gateway list and resolve dependency advisories. (#10)

Merchants need the full platform-supported gateway list on the Google Pay guide, including NEXT Payments. Also ignore .DS_Store and bump fumadocs/esbuild to clear npm audit findings.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: next-devin

.gitignore

@@ -5,3 +5,4 @@
 node_modules
 out
 .claude/
+.DS_Store

content/docs/features/payments/google-pay.mdx

@@ -6,14 +6,25 @@ Google Pay is supported as a payment method on the Next Commerce Storefront Chec
 
 Google Pay is supported on the following gateways:
 
+* NEXT Payments
 * Adyen
+* Airwallex\*
 * Authorize.Net
+* BlueSnap
 * Braintree
 * Checkout.com
 * NMI
+* PayPal Commerce Platform
+* Paysafe
 * Stripe Payment Intents
 * Test Gateway
 
+<Callout type="info">
+
+\*Airwallex accounts require 3DS2 by default. You must request support to remove this restriction and bypass 3DS2, or set up a [**3DS2 Merchant Profile**](/docs/features/payments/3ds2-payments#3ds2-merchant-profiles) to assign to the gateway.
+
+</Callout>
+
 ## Google Pay Requirements
 
 <Callout type="info">
@@ -65,4 +76,12 @@ Select **Create**
 Now that you've created and configured your Google Pay account, you can associate it to an existing supported Gateway account.
 
 * From the **Settings > Payments** view, choose a gateway ID
-* On the Gateway Detail view, under **Google Pay,** associate your Google Pay profile to the gateway, then **Update Gateway.**
+* On the Gateway Detail view, under **Google Pay,** associate your Google Pay profile to the gateway, then **Update Gateway.**
+
+### Use Google Pay on External Funnels (API)
+
+<Callout type="info">
+
+See our [**Developer Documentation**](https://developers.nextcommerce.com/docs/admin-api/guides/google-pay) for instructions on implementing Google Pay on the Admin API or Campaigns API.
+
+</Callout>