Results 1 issues of John Paul Gosling

Some of the plots are providing very busy legends based on intervals. For example, `emulator_plot(SIREmulators$ems$nS, ppd = 10)` ![image](https://user-images.githubusercontent.com/37089435/168560410-e8a51fd7-5dbf-4dec-934a-6ab097763f53.png) This could look cleaner if a continuous scale was used. Also,...

enhancement
help wanted