📝 Add series of data science tutorials

docs/index.rst

@@ -23,8 +23,13 @@ This tutorial is not intended to be an introduction to Python or programming in
 general; for that there is the :doc:`python-basics:index` tutorial.  Instead, it
 is intended to show the Python data science stack – libraries such as
 :doc:`/workspace/ipython/index`, :doc:`/workspace/numpy/index`,
-:doc:`/workspace/pandas/index`, :doc:`pyviz:matplotlib/index` and related tools
-– so that you can subsequently effectively analyse and visualise your data.
+:doc:`/workspace/pandas/index`, and related tools – so that you can
+subsequently effectively analyse your data. We also offer the `Jupyter Tutorial
+<https://jupyter-tutorial.readthedocs.io/en/latest/index.html>`_ and the `PyViz
+Tutorial <https://pyviz-tutorial.readthedocs.io/de/latest/index.html>`_ as well
+as the instructions for `data visualisation
+<https://www.cusy.design/de/latest/viz/index.html>`_ from the `cusy Design
+System <https://www.cusy.design/de/latest/index.html>`_.
 
 .. toctree::
     :hidden: