Update readme more

README.md

@@ -4,6 +4,18 @@
 
 This is a proof-of-concept demo demonstrating full-stack open-source headless commerce, with a [Remix](https://remix.run) storefront powered by [Vendure](https://www.vendure.io). It is based on the [work of Jacob Ebey](https://github.com/jacob-ebey/remix-ecommerce) which in turn is an adaptation of the [Next.js Commerce](https://github.com/jacob-ebey/remix-ecommerce) project. 
 
+## Notes
+
+Jacob's original project forms the basis of the [Remix vs Next.js blog post](https://remix.run/blog/remix-vs-next) and it makes used of some advanced caching & image optimization techniques (described in the post).
+
+This repo has removed these parts because:
+1. I wanted to simplify the deployment and do away with a dependency on Redis
+2. Vendure includes dynamic image transformations out-of-the-box, so I make use of this capability and further simplify the deployment.
+
+### Limitations
+
+No checkout flow nor customer account management features have yet been implemented.
+
 ## Development
 
 Copy `.env.example` to `.env`. Update the Vendure API url if you need to, e.g. to point it at a local