Support accessing the docs in both the github web client and in the web-format

[janhalen]

Support accessing the docs in both the github web client and in the web-format

Because of the way relative links works, right now either the Jekyl rendered link to the generateed html page works or the realtive link to the original markdown file works..

To enable both github web client rendering and the github pages served html pages to work with both kinds of links (an to avoid the dreaded 404) a solution could be made following the point from this article from Mastering Jekyll: https://mademistakes.com/mastering-jekyll/how-to-link/#jekyll-relative-links-plugin