Implement scene based coverage access

OGC API Coverages provisions a scene based coverage access, i.e to open individual scenes within a collection.

With minor adjustments, we should get this functionality "for free". We could, however, report the scenes CRS/bounds instead of the collections.

/collections/sentinel-2-l2a/scenes/S2B_54HVD_20240621_0_L2A

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information