docker-dev: add grafana stock config file
docker-dev: add grafana stock config file

replay/metrictank,raintank/raintank-metric,replay/metrictank,replay/metrictank,raintank/metrictank,raintank/raintank-metric,raintank/metrictank,raintank/raintank-metric,raintank/metrictank,replay/metrictank,raintank/metrictank