Manikanta Bollapragada

Updated the link to "A gallery of interesting Jupyter Notebooks" Previously it is https://github.com/jupyter/jupyter/wiki/A-gallery-of-interesting-Jupyter-Notebooks/ Current working link: https://github.com/jupyter/jupyter/wiki#a-gallery-of-interesting-jupyter-notebooks/ This fixes the issue [01.08 link changed #331](https://github.com/jakevdp/PythonDataScienceHandbook/issues/331)