add patches

Author: youssefea

docs/smart-wallet/examples/onchain-vibes-store-with-profiles.mdx

@@ -159,7 +159,14 @@ const cbWalletConnector = coinbaseWallet({
 
 1. Start your dev server: `npm run dev`
 2. Start ngrok: `ngrok http 3000`
-3. Set `VITE_NGROK_URL` in your `.env` to your ngrok HTTPS URL
+3. Set the ngrok URL in the `CheckoutButton` component
+
+```tsx
+function getCallbackURL() {
+    return "https://your-ngrok-url.ngrok-free.app/api/data-validation"
+  }
+```
+
 4. Try a purchase and share profile data
 
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