Update README.md

Author: Mec-iS

README.md

@@ -5,7 +5,7 @@
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     <strong>
-        <a href="https://smartcorelib.org">User guide</a> | <a href="https://docs.rs/smartcore/">API</a> | <a href="https://github.com/smartcorelib/smartcore-examples">Examples</a>
+        <a href="https://smartcorelib.org">User guide</a> | <a href="https://docs.rs/smartcore/">API</a> | <a href="https://github.com/smartcorelib/smartcore-jupyter">Notebooks</a>
     </strong>
 </p>