support headers as comment

Summary

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Motivation

If the feature is related to a problem, describe it. Add any other context explaining why this feature is of interest to you and the community.

Alternative

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Draft

something like this

if (options?.headers_as_comment)
	{
		const headers = columns.slice();
		// @ts-ignore
		headers[0] = options.comment + ' ' + headers[0];

		list = [
			headers,
			...list,
		]
	}

	return stringify(list, {
		delimiter,
	})

Additional context

# domain	path	name	value	expires
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT
xxx.cc	/	connect.sid2	xxx	Wed, 14-Jun-2017 07:00:00 GMT
xxx.cc	/	connect.sid3	xxx	Wed, 31-Dec-1969 23:59:59 GMT
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT
xxx.cc	/	connect.sid	xxx	Mon, 03-Feb-2025 19:32:17 GMT

Add any other context or screenshots about the feature request here.

Start at the stringify entry point and inspect how options and header rows are handled. Confirm the intended headers_as_comment option and comment prefix against the CSV example; done means serialized output has the header row prefixed as a comment without changing normal output, with tests covering it.