begin rework of Hyrax::Configuration to support readable YARD docs
begin rework of Hyrax::Configuration to support readable YARD docs

these configuration options are historically under-documented. this begins the
process of organizing them so the YARD docs can be a usable source for folks
trying to configure Hyrax.

samvera/hyrax,samvera/hyrax,samvera/hyrax,samvera/hyrax