Matplotlib library (#180)

* matplotlib basics

* Added description of stateless vs stateful interface.

* Added more examples.

* Remove incomplete cell.

* Index: add link to the Matplotlib library.

* remove incomplete cell.

* Added example for patches.

---------

Co-authored-by: Simone Baffelli <simone.baffelli@empa.ch>
Co-authored-by: Aliaksandr Yakutovich <yakutovicha@gmail.com>

Author: 3 people

index.ipynb

@@ -24,6 +24,7 @@
     "\n",
     "# Libraries\n",
     "\n",
+    "- [Matplotlib](./library_matplotlib.ipynb)\n",
     "- [NumPy](./library_numpy.ipynb)\n",
     "- [scikit-learn](./library_sklearn.ipynb)\n",
     "- [SciPy](./library_scipy.ipynb)"