chore: Changed demo website (#3283)

README.md

@@ -12,7 +12,7 @@ An open-source headless commerce platform built on [Node.js](https://nodejs.org)
 ### [www.vendure.io](https://www.vendure.io/)
 
 * [Getting Started](https://docs.vendure.io/guides/getting-started/installation/): Get Vendure up and running locally in a matter of minutes with a single command
-* [Live Demo](https://demo.vendure.io/)
+* [Request Demo](https://vendure.io/demo)
 * [Vendure Discord](https://www.vendure.io/community): Join us on Discord for support and answers to your questions
 
 ## Branches