GitHub Repo aufräumen; Readme updaten

[florinbarbisch]

Florin's thoughts:

• [x] DVC connection.
• [x] Windows cuda torch
• [x] readme section: MMCV Environment Setup (optional) => optional; needed for running eda notebooks working with prithvi
• [x] File structure overview in readme
• [x] Image at the top of readme
• [x] Link to Poster
• [x] Link to huggingface app
• [x] Merge archive and notebooks => 1 folder: notebooks
  • [x] check for references to archive folder