[skip ci] Add youtube link for daskboard walkthrough
Web Interface
=============
-.. image:: https://raw.githubusercontent.com/dask/dask-org/master/images/daskboard.gif
- :alt: Dask Bokeh Dashboard
- :width: 80%
+.. raw:: html
+
+ <iframe width="560"
+ height="315"
+ src="https://www.youtube.com/embed/N_GqzcuGLCY"
+ frameborder="0"
+ allow="autoplay; encrypted-media"
+ allowfullscreen>
+ </iframe>
Information about the current state of the network helps to track progress,
identify performance issues, and debug failures.
