Add Bluesky AuthorCard + Tutorials on Meta Ad Library API and metatargetr

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Add Bluesky AuthorCard + Tutorials on Meta Ad Library API and metatargetr

Description

This pull request adds the following contributions:

• Bluesky field support for AuthorCard:

  • Updated the component to allow Bluesky profile URLs in the same manner as Twitter, Mastodon, etc.

• Two new tutorials in the data analysis section:

  1. Meta Ad Library API – An in-depth guide to retrieving ad data programmatically, including search parameters, use cases, and pagination.
  2. metatargetr – A hands-on tutorial for using the metatargetr R package to retrieve and analyze Meta ad targeting data, with a practical case study using DHS ads.

These additions enhance the utility and accessibility of the Data Knowledge Hub for researchers and practitioners analyzing (political) ads and platform transparency.

Related Issue

N/A

Checklist

• I agree to the Code of Conduct.
• My contribution follows the project's coding style guidelines.
• I have verified that the tutorials render correctly in the local Docusaurus dev server.
• I have tested the updated AuthorCard component with and without the new Bluesky field.

[clara-rthrdt]

Thanks a lot for the two chapters, I am sure they are of great interest for our community!