The payload format

Todo

This is just a stub.

See also

https://github.com/daq-tools/kotori/issues/25

Time field candidates from kotori.daq.storage.util:

time_field_candidates = [
    'time',         # Vanilla
    'datetime',     # Vanilla
    'Time',         # Tasmota
    'dateTime',     # WeeWX
    'timestamp',    # Contrib
]