https://surf-tracker.com
https://apps.garmin.com/fr-FR/apps/edc1147f-466f-4a37-9d3d-0487c4fa6c3c
https://python-visualization.github.io/folium/latest/user_guide/ui_elements/icons.html
TODO:
- layout
- better wave detection / outlier detection
- wave direction icons
- speed graph (cf. Garmin web portal)