Better repo structure

• Add authors.md: https://renkulab.io/gitlab/aaron.spring/s2s-ai-challenge-template/-/commit/ae40fed38d13558cd1543a1e94129b1d3b4c436e
• Guide on how to structure? participants choice
• readme to instructions?, dont as I want to have README show upon opening repo
• add code formatter such as https://github.com/ryantam626/jupyterlab_code_formatter can get quite lengthy mention code formatting