You could add the code as a PDF attachment, so it's available directly with the paper, but somewhat "hidden". That also answers the question about where to host

You could add the code as a PDF attachment, so it's available directly with the paper, but somewhat "hidden". That also answers the question about where to host it. https://alltamedia.com/2014/04/14/how-to-make-a-link-or-button-to-open-pdf-attachments/ https://alltamedia.com/2014/04/14/how-to-make-a-link-or-butt...