Database: discuss data export for use in external statistics dashboard

[smathot]

Clarify the data structure needed for the external statistics dashboard, and based on this design an export function.

[BmBaczkowski]

Could you specify this issue a bit more? What data should the export include: individual job results with participant details, aggregated study statistics, or both? Or something else? And what format of the export is needed: json, csv?

[smathot]

Let's get back to this later. We'll need to coordinate with @ClemClem25 and @gdesor .