Adds information about branches

README.md

@@ -1,7 +1,14 @@
 ![github blog post 2](https://user-images.githubusercontent.com/64803272/222930765-dae53a8e-9811-4829-8410-43dfa148ddf1.png)
 
+# Welcome
+
 Welcome! This is a repository containing the starter code and final code from my tutorial [Building a shopping cart in Next.js with use-shopping-cart and Stripe](https://codingwithlucy.hashnode.dev/build-a-shopping-cart-in-nextjs-with-use-shopping-cart-and-stripe).
 
 Please refer to [my blog post](https://codingwithlucy.hashnode.dev/build-a-shopping-cart-in-nextjs-with-use-shopping-cart-and-stripe) for full instructions on how to use this code.
 
 - Demo: https://simple-ecommerce-nextjs.vercel.app/
+
+## Branches
+
+- `main`: starter code (use this if you would like to follow along with the tutorial)
+- `final-version`: final code (what is currently deployed on Vercel)