emep reporting-base config should have overlays in addition to contours

[heikoklein]

Is your feature request related to a problem? Please describe.
With the addion of overlay-plots to pyaerocom/aeroval, the reporting_base config for reporting should contain both contour and overlay plots

Describe the solution you would like to see
A clear and concise description of what you want to happen.

• contour and overlay plots are visible on future aeroval emep-runs like: https://aeroval.met.no/pages/maps/?project=emep&experiment=2024-reporting

Additional context
User-request from User-Meeting 2024-12-03