Users need to be able to find the bit they want/need. A ToC is standard, especially for howtos.
(I'm happy to help with that, as soon as I work out how to edit files in a git repo from an iPad. Due to disability, I can only use my laptop for very short periods of time.)
Great suggestion! :) a solution for the PDF / latex version: http://hyperlatex.sourceforge.net/html/hyperlatex_33.html