Port TrafficMonitor from KQuickControlsAddons.Plotter to KQuickCharts
KDeclarative will be split up for KF6 and stuff removed. This is the only place using Plotter so it will likely be not kept around. (I also have some hope that it maybe was the reason for the memory leak that we couldn't figure out) I tried to keep behavior visuals the same but could not recreate the hardcoded gradients of Plotter. One change that is intentional is reducing the line thickness from 2px to 1px because it looks much better in my opinion.
Edited by David Redondo