Add link to xarray binder to readme (#6494)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: max-sixty

README.rst

@@ -71,7 +71,9 @@ powerful and concise interface. For example:
 Documentation
 -------------
 
-Learn more about xarray in its official documentation at https://docs.xarray.dev/
+Learn more about xarray in its official documentation at https://docs.xarray.dev/.
+
+Try out an `interactive Jupyter notebook <https://mybinder.org/v2/gh/pydata/xarray/main?urlpath=lab/tree/doc/examples/weather-data.ipynb>`_.
 
 Contributing
 ------------