readme: update quickstart notebook link

Author: Mayukhdeb

README.md

@@ -7,7 +7,7 @@
 [![](https://img.shields.io/github/contributors/DevoLearn/devolearn)](https://github.com/DevoLearn/devolearn/graphs/contributors)
 [![](https://img.shields.io/github/last-commit/DevoLearn/devolearn)](https://github.com/DevoLearn/devolearn/commits/master)
 [![](https://img.shields.io/twitter/url?color=green&label=Slack&logo=slack&logoColor=blue&style=social&url=https%3A%2F%2Fopenworm.slack.com%2Farchives%2FCMVFU7Q4W)](https://openworm.slack.com/archives/CMVFU7Q4W)
-[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1N0jKNYdhDUfCYdx1bA4UI7v8NQ1qPAo0?usp=sharing)
+[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/DevoLearn/data-science-demos/blob/master/devolearn_docs/devolearn_quickstart.ipynb)
 
 
 ## Contents