ref: f465571b33c8736a95534dd43f07527869d1eec3
dir: /tpl/tplimpl/embedded/templates/shortcodes/gist.html/
<script src="//gist.github.com/{{ index .Params 0 }}/{{ index .Params 1 }}.js{{if len .Params | eq 3 }}?file={{ index .Params 2 }}{{end}}"></script>