Enable selection of different licenses for datasets

[haarli]

Currently, only the CC0-License can be selected. It should be possible to select certain licenses by choosing from a list, or another license by directly typing the license. The following should be supported:

There's a lot discussion going on about this, e.g.
IQSS#7742
IQSS#1753

And also some patches from other contributors, until the main branch is supporting this, e.g.
https://jugit.fz-juelich.de/fdm/dev/dataverse/-/commit/8141c0bd151834ab0d4d6b035b5cf8adcb3e11e8

[vilarodr]

"Terms of use" field should remain available when "No license" is selected?

[ghost]

The behavoir of the licenses selecting should be like the follwing process line:

1. CC0 by default; if not -> 2. Select a license from the above mentioned list; if not -> open text field "Terms of Use" for only licening comments.

[ghost]

as orientation here is the recommended process for researchers regarding data license: https://rdm.mpdl.mpg.de/after-research/licenses/

[haarli]

From the technical perspective I would suggest one list as the one above (can be realized with a dropdown or with radio buttons) with the different licenses (CC0, CC-BY...) and the option "No license". If "No License" is selected, the terms of use field appears. This would be the same behaviour as now with "No, do not apply CC0" and therefore would require only minimal changes in the code.

[vilarodr]

Thanks, solution as described in the last comment is already implemented in the last commit, ... more licenses follows as soon as possible

[vilarodr]

Links to attribution terms are also ready but needs some styling to fix icons positioning.
Icons needs some refinement.

[yvgrossmann]

smart remark: chance hyphens to dashes at Data license Germany
https://www.grammarly.com/blog/hyphens-and-dashes/

[vilarodr]

Hyphens to dashes at Data license Germany changed and commit merged on main branch.

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[hofmannc]

Testserver: prod-edmond2.mpdl.mpg.de
Browser: ff
Version: 08.02.2022
User: Dataverse Admin

Actions:
default license CC0
-> open dataset -> "Terms" -> "Edit Terms Requirements" -> select new license -> "Save Changes" -> "Files View" -> ok, license sucessfully changed

Observation: all licenses checked -> ok