update readme

Author: davidADSP

README.md

@@ -35,6 +35,10 @@ Below is a outline of the book chapters:
 13. Multimodal Models
 14. Conclusion
 
+## Star History
+
+[![Star History Chart](https://api.star-history.com/svg?repos=davidADSP/Generative_Deep_Learning_2nd_Edition&type=Date)](https://star-history.com/#davidADSP/Generative_Deep_Learning_2nd_Edition&Date)
+
 ## 🚀 Getting Started
 
 ### Kaggle API