Add a new Fetcher for Isidore.science

[Siedlerchr]

Is your suggestion for improvement related to a problem? Please describe.
As a user in the fields of social sciences I would like to have an integration of
https://isidore.science
Your search assistant in Humanities and Social Sciences

Describe the solution you'd like
A new fetcher for https://isidore.science
It should include author, abstract (DOI/URL), date etc and any other related metadat
If available, it should include the fulltext

Additional context
https://isidore.science/api
It probably makes sense to filter the type of results to Documents or Publications like it's done on the website

[u7492883]

I am interested in working on this issue. Is it free to take?

[Siedlerchr]

Yes. This issue is available. Always check the status of the project on the right side

[github-actions]

As a general advice for newcomers: check out Contributing for a start. Also, guidelines for setting up a local workspace is worth having a look at.

Feel free to ask here at GitHub, if you have any issue related questions. If you have questions about how to setup your workspace use JabRef's Gitter chat. Try to open a (draft) pull-request early on, so that people can see you are working on the issue and so that they can see the direction the pull request is heading towards. This way, you will likely receive valuable feedback.