add ClearSky Vision under Products, datasets and applications generated from Copernicus Sentinel data.

[toutas]

https://clearsky.vision/

commercial non-composite/non-mosiac cloudless sentinel 2, generated using input from multiple satellites to a deep learning model that learned to remove clouds. outputs sentinel 2 product without clouds.

the output is an as-close-as-possible replica of sentinel 2 products but without clouds and other artifacts. generated every 2nd day in supported areas (currently europe)