Add additional video tutorial reference to documentation. (#921)
* Added additional video tutorial
Added additional link to video tutorial series by Ian Annase. The original tutorial is very low resolution and is hard to follow. The tutorial linked in this commit is entirely in HD and goes further in depth, including examples of possible functionality.
* Update index.rst
Adjusted link formatting.
* Update index.rst
Updated link formatting again because I'm an idiot.
* Update index.rst
Edited formatting to fix missing period and double wording.