Add Sentinel-2-L2A-cogs over Iceland.

[pantierra]

Related to https://github.com/EOEPCA/data-access/issues/107

[vincentsarago]

🙏

I should rename this repo 😅

Couples notes (but not blocking the merge):

• the assets URL use https:// schema, I usually try to use S3:// url (which saves 1GET request I think)
• items are supper heavy with a lot of custom properties

  "properties": {
      "created": "2023-11-09T16:58:33.016Z",
      "platform": "sentinel-2a",
      "constellation": "sentinel-2",
      "instruments": [
          "msi"
      ],
      "eo:cloud_cover": 2.075391,
      "proj:epsg": 32626,
      "mgrs:utm_zone": 26,
      "mgrs:latitude_band": "W",
      "mgrs:grid_square": "PS",
      "grid:code": "MGRS-26WPS",
      "view:sun_azimuth": 183.633428526491,
      "view:sun_elevation": 8.6705854024719,
      "s2:degraded_msi_data_percentage": 0,
      "s2:nodata_pixel_percentage": 86.318052,
      "s2:saturated_defective_pixel_percentage": 0,
      "s2:dark_features_percentage": 0,
      "s2:cloud_shadow_percentage": 0,
      "s2:vegetation_percentage": 0.000024,
      "s2:not_vegetated_percentage": 0,
      "s2:water_percentage": 97.924584,
      "s2:unclassified_percentage": 0,
      "s2:medium_proba_clouds_percentage": 0.004826,
      "s2:high_proba_clouds_percentage": 0.000339,
      "s2:thin_cirrus_percentage": 2.070226,
      "s2:snow_ice_percentage": 0,
      "s2:product_type": "S2MSI2A",
      "s2:processing_baseline": "05.09",
      "s2:product_uri": "S2A_MSIL2A_20231109T133351_N0509_R024_T26WPS_20231109T160407.SAFE",
      "s2:generation_time": "2023-11-09T16:04:07.000000Z",
      "s2:datatake_id": "GS2A_20231109T133351_043779_N05.09",
      "s2:datatake_type": "INS-NOBS",
      "s2:datastrip_id": "S2A_OPER_MSI_L2A_DS_2APS_20231109T160407_S20231109T133347_N05.09",
      "s2:granule_id": "S2A_OPER_MSI_L2A_TL_2APS_20231109T160407_A043779_T26WPS_N05.09",
      "s2:reflectance_conversion_factor": 1.01777404462066,
      "datetime": "2023-11-09T13:33:54.673000Z",
      "s2:sequence": "0",
      "earthsearch:s3_path": "s3://sentinel-cogs/sentinel-s2-l2a-cogs/26/W/PS/2023/11/S2A_26WPS_20231109_0_L2A",
      "earthsearch:payload_id": "roda-sentinel2/workflow-sentinel2-to-stac/d21d22d50d3528ecc37a48a91431b12e",
      "earthsearch:boa_offset_applied": true,
      "processing:software": {
          "sentinel2-to-stac": "0.1.1"
      },
      "updated": "2023-11-09T16:58:33.016Z"
  }