Deprecated endpoints

[andrenaught]

So I noticed this repo uses some deprecated graphql endpoints. (like checkoutLineItemsAdd, subtotalPrice, etc.) If it won't be updated, I think it should be disclosed / communicated in the README that it's up to the developers to use graphiQL or check changelog to ensure updated API endpoints.

[rebeccajfriedman]

Thanks for your comment. I added a note to the README to specify: These examples are built and maintained by community members. As such, it's up to you as a developer to use the Storefront API reference or check the API version release notes to ensure that you are using the most up-to-date fields.