We always want to make this wiki as helpful as possible, therefore if you have any improvements or additions, feel free to do so.

Fork the repository.
Clone your own fork to local
Edit existing .md files, or create a new one with the following header:
```
--- 
layout: default
title: Where is the cafeteria?
rank: n
---
```
Add, commit and push to your fork
Create a PR: go to Pull Requests / New / Compare across forks and select your fork and explain what you’ve added.