Update README.md

Author: KindXiaoming

README.md

@@ -5,6 +5,8 @@
 * model.train() has been changed to model.fit()
 * Some other small features are changed (e.g., create_dataset has been moved to kan.utils). I have updated and checked the notebooks in `./tutorials` are runnable, so please refer to those for updated/new functionalities. Documentation hasn't been updated yet but will be updated soon.
 
+For pypi users, this is the most recent version 0.2.0.
+
 # Kolmogorov-Arnold Networks (KANs)
 
 This is the github repo for the paper ["KAN: Kolmogorov-Arnold Networks"](https://arxiv.org/abs/2404.19756). Find the documentation [here](https://kindxiaoming.github.io/pykan/). Here's [author's note](https://github.com/KindXiaoming/pykan?tab=readme-ov-file#authors-note) responding to current hype of KANs.