Give the ability to download a page in PDF

[elv-fra]

We are using this theme for internal documentation and it is ok.

Occasionally we have some pages which would be good to have it in PDF. We can use print, but it is not the same as having an action which provide a pdf .

I investigated, and also if it is not perfect, html2pdf.js should do the trick.

Can it possibly be integrated?

I have forked the code, and I can provide a pr.

In the page header add a button, downloadPDF.

The button can be visible or not per page or site based on a param:

geekdocDownloadPdfEnabled