How do I create a ToC or a sidebar menu in a GitHub Wiki? I saw some mentions of it and gollum the backend seems to support it, but how do I do it in a current GitHub project? It should best be based on the headers I have in the page automatically. These links all mention it, but do not show how to do it: https://gist.github.com/379469 - some JavaScript hack https://github.com/blog/774-git-powered