InfluxDB client.
Signed-off-by: Sven Haardiek <sven.haardiek@iotec-gmbh.de>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
[Thomas: as suggested by Yegor, add entry in the DEVELOPERS file, and
fix commit title.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>