176 - Add ckanext-short-urls in ZaRR

[A-Souhei]

Description

Adds short urls in datasets and resources.

Closes https://github.com/fjelltopp/zarr-ckan/issues/176

Checklist

Put an x in the boxes that apply to this pull request (you can also fill these out after opening the pull request). You may not need to check all boxes.

• [x] The Jira ticket for this issue has been updated to "Ready to Review" or equivalent.
• [x] I have developed these changes in discussion with the appropriate project manager.
• [ ] My code follows the general Fjelltopp documentation (see Confluence).
• [ ] I have made corresponding changes to the Fjelltopp documentation (see Confluence).
• [ ] I have rebased this branch with master.
• [ ] New dependency changes have been committed.
• [ ] I have added automated tests that prove my fix is effective or that my feature works.
• [ ] New and existing tests pass locally with my changes.
• [x] My changes generate no new warnings.
• [x] I have performed a self-review of my own code.
• [x] I have assigned at least one reviewer.
• [ ] I have assigned at least one label to this PR: "patch", "minor", "major".

[ChasNelson1990]

@A-Souhei merging as the infra change has already been merged