ref: aded0f25fd23a78804b10e127aebe0e4b6fed2ac
dir: /docs/themes/gohugoioTheme/layouts/shortcodes/readfile.html/
{{$file := .Get "file"}}
{{- if eq (.Get "markdown") "true" -}}
{{- $file | readFile | markdownify -}}
{{- else -}}
{{ $file | readFile | safeHTML }}
{{- end -}}