CEXT-4264: Add the possibility of disabling shipping methods

Author: oshmyheliuk

src/pages/starter-kit/checkout/use-cases.md

@@ -170,6 +170,12 @@ The following example demonstrates how to add a webhook to the `plugin.magento.o
 
 You can register multiple webhooks for different shipping methods or shipping carriers by adding them into the same batch to ensure they are executed in parallel or create multiple batches to execute them sequentially.
 
+### Remove shipping method
+
+The `plugin.magento.out_of_process_shipping_methods.api.shipping_rate_repository.get_rates` webhook within adding shipping methods allows you to remove specific shipping methods from the list of available options
+
+For example, if you are using the `flatrate` shipping method but certain conditions require it to be disallowed, you need to update your webhook response to mark the shipping method as removed. You can find an example in [`actions/shipping-methods.js`](https://github.com/adobe/commerce-checkout-starter-kit/blob/main/actions/shipping-methods/index.js).
+
 ## Shipping methods: Payload
 
 The request payload contains information about all items in the cart, including product information, product attributes, shipping address, and customer information for logged-in customers.