default.html: Add viewport meta tag
default.html: Add description meta tag
default.html: Add 'note', 'published', 'license'
default.html: Handle multiple authors; add author affiliation, email
default.html: Add 'project' and 'version' to accompany 'date'
default.html: Add abstract
default.html: Add TOC header
default.html: Add <hr /> after body