Feature request: Page numbers and table of contents in PDF export

[addisonschultz]

Context: We prepare printed manuals from our company's digital documentation in Gitbook. We use Gitbook's PDF export function to generate a PDF, manually edit that PDF to suit our needs, and then send that PDF to a printer.

We'd love if the generated PDF included page numbers and a table of contents. The inclusion of page numbers and a table of contents could be made optional as we recognize that not everyone will want these.

Happy to provide additional information on our use case!

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As an extension, it would be great if hyperlinks to other doc sections could have a page number automatically added when converted to PDF, e.g.,

For more details see Section ABC (p. 24).

We recognize that this is likely technically challenging.

Originally requested by @arsalansufi