Add Base Pay SDK Playground links to documentation (#197)

Author: spencerstock

docs/base-account/guides/accept-payments.mdx

@@ -24,6 +24,10 @@ If you intend on using the BasePayButton, please follow the [Brand Guidelines](/
 
 ## Client-side (Browser SDK)
 
+<Note>
+**Interactive Playground:** Try out the `pay()` and `getPaymentStatus()` functions in our [Base Pay SDK Playground](https://base.github.io/account-sdk/pay-playground) before integrating them into your app.
+</Note>
+
 ```ts Browser (SDK)
 
 import { pay, getPaymentStatus } from '@base-org/account';

docs/base-account/quickstart/web.mdx

@@ -7,6 +7,10 @@ This quick-start shows the **minimum** code required to add Sign in with Base an
 
 ## 1. Install the SDK (Optional)
 
+<Note>
+**Interactive Playground:** Want to test the SDK functions before integrating? Try our [Base Pay SDK Playground](https://base.github.io/account-sdk/pay-playground) to experiment with `pay()` and `getPaymentStatus()` functions.
+</Note>
+
 You can use the Base Account SDK in two ways:
 
 ### Option A: CDN (No installation required)

docs/base-account/reference/base-pay/getPaymentStatus.mdx

@@ -7,6 +7,8 @@ Defined in the [Base Account SDK](https://github.com/base/account-sdk)
 
 <Info>
 The `getPaymentStatus` function allows you to check the status of a payment transaction after it has been submitted. Use this to track whether a payment has been completed, is still pending, or has failed.
+
+**Try it out:** Test the `getPaymentStatus` function interactively in our [Base Pay SDK Playground](https://base.github.io/account-sdk/pay-playground).
 </Info>
 
 ## Parameters

docs/base-account/reference/base-pay/pay.mdx

@@ -7,6 +7,8 @@ Defined in the [Base Account SDK](https://github.com/base/account-sdk)
 
 <Info>
 The `pay` function is the core method of Base Pay that lets your users send USDC (digital dollars) on the Base network. No crypto knowledge required - we handle all the complexity. **No fees for merchants or users.**
+
+**Try it out:** Test the `pay` function interactively in our [Base Pay SDK Playground](https://base.github.io/account-sdk/pay-playground).
 </Info>
 
 ## Parameters