This installs a local copy of the Hugo binary that we need to build
the site. Otherwise the user would have to install it via their sy-
stem package manager. This also adds a new npm "build:site" script
to build the site using our local version of Hugo.
Note: this is slightly annoying, but after toying with "easier" op-
tions like Hexo that integrate with the JavaScript ecosystem more
naturally, I ended up preferring Hugo anyways. Hexo's not nearly as
powerful or well documented as Hugo.
Note note: there is also the `hugo-bin` package on NPM, but it is
very out of date.
After running the util/generate_docs.py script to parse and extract
the metadata term specifications and their controlled vocabularies,
we use Hugo to generate the HTML site. The HTML site uses Bootstrap
with several ISEAL brand colors gleaned from the corporate website.
Alan Orth