Update README.rst

README.rst

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+.. |logo1| image:: https://img.shields.io/pypi/v/knnpe?style=plastic
+   :target: https://pypi.org/project/knnpe/
+   :alt: PyPI 
+.. |logo2| image:: https://img.shields.io/github/license/hvribeiro/knnpe?style=plastic
+   :target: https://github.com/hvribeiro/knnpe/blob/main/LICENSE
+   :alt: GitHub 
+.. |logo3| image:: https://img.shields.io/pypi/dm/knnpe?style=plastic
+   :target: https://pypi.org/project/knnpe/
+   :alt: PyPI - Downloads
+.. |logo4| image:: https://readthedocs.org/projects/knnpe/badge/?version=latest
+   :target: https://knnpe.readthedocs.io/en/latest/
+   :alt: Documentation Status
+
+|logo1| |logo2| |logo3| |logo4|
+
 knnpe: A Python package implementing the *k*-nearest neighbor permutation entropy
 =================================================================================