docs: add notebook_beta_hairpin to documentation

Author: AldoGl

docs/source/hands_on_tutorial_at_SISSA.rst

@@ -20,5 +20,5 @@ Finally, the three Colab notebooks used in the tutorial are
  * `Tutorial 1: Intrinsic dimension estimation <https://colab.research.google.com/drive/1tW6PsTOiWfDFqi5mIV2k9l7zSvsvTaLW?usp=sharing>`_
  * `Tutorial 2: Density and density peaks estimation <https://colab.research.google.com/drive/1eOZLPr-sEegujRSYNQ20JL52_LEDwLko?usp=sharing>`_
 
-and the dataset mentioned at the end for experimenting freely with the package can be download from
-`here <https://drive.google.com/drive/folders/1zmVYwNCbnpMtlRFnplZB4pYWmxLdG1cG?usp=sharing>`_.
+and the notebook mentioned at the end for experimenting freely with the package is available
+`here <https://github.com/sissa-data-science/DADApy/blob/main/examples/notebook_beta_hairpin.ipynb>`_.

docs/source/index.rst

@@ -21,6 +21,7 @@ The code can be found on GitHub at https://github.com/sissa-data-science/DADApy.
    jupyter_example_1
    jupyter_example_2
    jupyter_example_3
+   jupyter_example_4
    hands_on_tutorial_at_SISSA
    citing
 

docs/source/jupyter_example_4.nblink

@@ -0,0 +1,4 @@
+{
+    "path": "../../examples/notebook_beta_hairpin.ipynb"
+
+}