RightEdge doesn't have support for plugins to display different charts. (You can see the types of plugins RightEdge supports here
If you want live charts, you could do create your own window to display charts. This sample
shows how to create your own window from a trading system.
If you don't want live charts, you could create a system result plugin that displays a chart. You'd have to figure out how to access the tick data and construct the chart based on that.