update readme link

Author: gmanchon

README.md

@@ -1,10 +1,10 @@
 
+👉 entry point: [Jupyterlite link](https://lewagon.github.io/intro-to-data-science-challenges/)
+
 setup environment for the [Introduction to Data Science](https://github.com/lewagon/intro-to-data-science-challenges) challenges
 
 the challenges are served through [mybinder](https://www.notion.so/lewagon/B2U-Intro-to-Data-Science-f88a9af1afff44109bfd3)
 
-entry point: https://mybinder.org/v2/gh/lewagon/intro-to-data-science-challenges/master
-
 # update package version
 
 update the contents of `requirements_raw.txt`, then process `requirements.txt` from a new env: