docs(readme): add link to the website within the README

Author: amyheather

README.md

@@ -4,6 +4,8 @@
 [![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
+⭐ **Link to the tutorial website here: https://pythonhealthdatascience.github.io/quarto-tutorial/** ⭐
+
 In this hands-on workshop, you'll learn how to build a straightforward Quarto website to share and organise your research. You will be introduced to using GitHub, Quarto and Markdown. No prior experience is needed - we'll guide you through each step using free, open tools that make it quick and straightforward to get a site online.
 
 You'll see how a website can become a powerful hub for your work: a place to share notes, methods, outputs, and updates openly and accessibly. Your site could act as a: