csv2bufr in wis2box-api to add check_valid_location to avoid encoding incorrect location

[maaikelimper]

csv2bufr in wis2box-api to add check_valid_location , this should throw error to alert users when location in csv deviates significantly from station-location.

need to determine reasonable margin of error

this has been requested by users and will resolve issues seen in the Zambia setup

[tomkralidis]

• csv2bufr

  • if geometry def missing in mappings, set to missing.
  • if geometry def in mappings, set to missing

• wis2box csv2bufr process

  • if geometry is missing from CSV, but data is in station metadata

  • add wis2box env var WIS2BOX_STATION_METADATA_FORCE_GEOMETRY=true|false

  • if CSV location differs from station metadata location

  • add wis2box env var WIS2BOX_OBSERVATION_GEOMETRY_THRESHOLD=10m|default

    • or we can add this in private wis2box metadata
    • compare CSV locations against station metadata locations

  • how do we handle moving stations