Re-organize content and navigation around the concept of clusters
and modules. Elements that have suggested field names are displayed
prominently near the top of each cluster.
I am still exploring how to present the clusters and modules better.
Perhaps as a badge on each element?
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.