ref: e5856e61d88ef5149582851b00e06b5b93dce9f8
dir: /tpl/tplimpl/embedded/templates/shortcodes/gist.html/
<script type="application/javascript" src="https://gist.github.com/{{ index .Params 0 }}/{{ index .Params 1 }}.js{{if len .Params | eq 3 }}?file={{ index .Params 2 }}{{end}}"></script>