ref: 94c3825e5bdda9c57b1e8782caa3c407cfad711e
dir: /docs/layouts/shortcodes/gh.html/
{{ range .Params }}
{{ if eq (substr . 0 1) "@" }}
<a href="//github.com/{{ substr . 1 }}">{{ . }}</a>
{{ else }}
<a href="//github.com/spf13/hugo/issues/{{ . }}">#{{ . }}</a>
{{ end }}
{{ end }}