Update README.md

Author: flo7up

README.md

@@ -32,4 +32,6 @@ This work is licensed under a
 [cc-by-sa-image]: https://licensebuttons.net/l/by-sa/4.0/88x31.png
 [cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg
 
-<iframe style="width:100%;height:auto;min-width:600px;min-height:400px;" src="https://star-history.com/embed?secret=#flo7up/relataly-public-python-tutorials&Date" frameBorder="0"></iframe>
+## Star History
+
+[![Star History Chart](https://api.star-history.com/svg?repos=flo7up/relataly-public-python-tutorials&type=Date)](https://star-history.com/#flo7up/relataly-public-python-tutorials&Date)