Missing Jupyter's slideshow support

[simzer]

• Current behaviour: all animation runs sequentially in the slideshow one after another independently from slideshow controls
• Expected behaviour: all animation should stop at the end of if's corresponding slide and the next should run only when it's slide gets active.

jupyter nbconvert something.ipynb --to slides --post serve

Jupyter's slideshow functionality: https://medium.com/@mjspeck/presenting-code-using-jupyter-no...