Ethics: Add ethical issues report to DAMAP

[ValentinFutterer]

Description
Below this part should be an inpuit field for the ethical issues report, see RDA-Common-standard for more info.

The field should be a valid URI.

Describe the solution you'd like
The input field should be added, and only shown when yes was chosen in the question above. take care that the value in this field is only sent to the backend, when yes is ticked in the question above.

Before you start, see the backend issue for more info.