feat(stringify): header_as_comment option page

Author: wdavidw

src/md/stringify/options/header.md

@@ -25,10 +25,10 @@ Run this example with the command `node samples/option.header.js`.
 
 ## Using `header` conjointly with `columns`
 
-In case you wish to output the headers on the first line, you can use this option conjointly with the `header` option. The column definition object can receive an optional [`header` property which default to the `key` property](https://github.com/adaltas/node-csv/blob/master/packages/csv-stringify/samples/option.header_with_columns_array_strings.js):
+In case you wish to output the headers on the first line, you can use this option conjointly with the `header` option. The column definition object can receive an optional [`header` property which default to the `key` property](https://github.com/adaltas/node-csv/blob/master/packages/csv-stringify/samples/option.header.with_columns_array_strings.js):
 
-`embed:packages/csv-stringify/samples/option.header_with_columns_array_strings.js`
+`embed:packages/csv-stringify/samples/option.header.with_columns_array_strings.js`
 
-This example could have been simplified by defining the [column option as an object](https://github.com/adaltas/node-csv/blob/master/packages/csv-stringify/samples/option.header_width_columns_object.js). This approach is not recommended as it implies relying on object property order which JavaScript doesn't guarantee.
+This example could have been simplified by defining the [column option as an object](https://github.com/adaltas/node-csv/blob/master/packages/csv-stringify/samples/option.header.with_columns_object.js). This approach is not recommended as it implies relying on object property order which JavaScript doesn't guarantee.
 
-`embed:packages/csv-stringify/samples/option.header_width_columns_object.js`
+`embed:packages/csv-stringify/samples/option.header.with_columns_object.js`

src/md/stringify/options/header_as_comment.md

@@ -0,0 +1,22 @@
+---
+title: Option header_as_comment
+navtitle: header_as_comment
+description: Display the column names on the first line if the columns option is provided or discovered
+keywords: ['csv', 'stringify', 'options', 'header', 'header_as_comment']
+---
+
+# Option `header_as_comment`
+
+The `header_as_comment` option prints the list of columns in the header as a comment.
+
+- Type: `boolean`, `string` or `Buffer`
+- Optional
+- Default: `false`
+- Since: 6.7.0
+- Related: [`header`](/stringify/options/header/), [`columns`](/stringify/options/columns/) — see [Available Options](/stringify/options/#available-options)
+
+## Usage
+
+This option implies discovery of columns and the [activation of the `header` columns](https://github.com/adaltas/node-csv/tree/master/packages/csv-stringify/samples/option.header_as_comment.js).
+
+`embed:packages/csv-stringify/samples/option.header_as_comment.js`