Add a Github pages site for the docs.

[philipwalton]

No description provided.

[robhrt7]

At least host those docs somewhere.

[jamiebuilds]

@philipwalton would you like help with this?

[philipwalton]

@thejameskyle I always love help. Did you have anything in particular in mind? I must warn you though that the designer in me is pretty picky, and I don't want to release a docs site that doesn't look good :)