genny/build/validate.go
func PlushValidator(f genny.File) error {
	if !genny.HasExt(f, ".html", ".md", ".plush") {
		return nil
	}
	_, err := plush.Parse(f.String())
	return err
}
func PlushValidator(f genny.File) error {
	if !genny.HasExt(f, ".html", ".md", ".plush") {
		return nil
	}
	_, err := plush.Parse(f.String())
	return err
}
// PlushValidator validates the file is a valid
// Plush file if the extension is .md, .html, or .plush