Add PID collection example (optional)
may be provide a concrete PID collection example based on PIDs generated in the DKRZ PID test-prefix to be discussed with Merret with respect to access to test-prefix
may be provide a concrete PID collection example based on PIDs generated in the DKRZ PID test-prefix to be discussed with Merret with respect to access to test-prefix
changed due date to July 31, 2021