This adds a work-in-progress section with a few tips and tricks
about how one should go about contributing to the project. It mostly
focuses on making people familiar with some of the code, and giving
them a few tips along the way on how to work with Git.
A few more contribution examples should be added, and what most
notably is lacking right now is a section about the web output
part. This is due to us currently rewriting it in Leaflet, so any
examples added now would quickly become outdated.
