Improvements to workflows

[rcannood]

Describe your changes

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• I have performed a self-review of my code

• Check the correct box. Does this PR contain:

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• Proposed changes are described in the CHANGELOG.md

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[LouisK92]

I added the metadata, e.g. the urls to both datasets (spatial and sc), which then has the form dataset_url=url_spatial;url_sc.
Was thinking maybe we want to always use two entries instead of one, e.g. dataset_url_ist, dataset_url_sc instead of dataset_url etc. - what do you think?
For now not super important - but for later maybe useful add-on?

[rcannood]

Using separate dataset_url_ist and dataset_url_sc would definitely break things downstream. However, turning it into a list would be possible. Would thos work as well?

[LouisK92]

sounds like a good solution!

[rcannood]

Merging it so I can give this a shot, but please let me know if you have any feedback! @LouisK92