adding blank template files, adding generic comment header in style.css

##########  commit c367ae60aefd8094d09532b8a437cff56e6e7256 ########################

At first, I was unable to use the boilerplate repo as theme I could network activate. That was probably due to some blank template files being missing. So I added a bunch of blank template files, and a generic comment header in style.css

The effect of doing this allows the user to clone the repo, and network activate it for potential use as a theme.

However, since the template files are blank, it will not produce any markup.

##########  commit 5d3bad3d7dece2b5cb299f0a5cc8383a2b470d21 #######################

I wanted to change the folder from 'css' to 'sass', because all of the files there are .scss , and that helps prevent me from being confused.

also, there was no js directory, so I added one