Update serveplotter.go
Update serveplotter.go
PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter,PingThingsIO/pt-mr-plotter