Add general structure for Open MCT Web, including
top-level and second-level directory structure.
README files are included to explain the role of
each directory; markdown is used to allow for
richer display when viewer support is present.
WTD-519.
Initialize repository with gitignore file. This
will serve as the basis for the open source
master branch (and thus all other branches)
during the Angular transition. WTD-519.
