plexus.github.io/autodoc add link back to github repo

[m9dfukc]

You might add a link on plexus.github.io/autodoc back to the github repository

[m9dfukc]

I always find it inconvenient to navigate from the github pages back to the github repository if there is no link embedded.

[plexus]

Hi Andreas,

Thank you for the suggestions. Pull requests for these issues would be mightily appreciated!