[WIP] Adding Scorecard.yml Workflow and Scorecard Badge GOSST

[PatriceJada]

{Insert Description}

• Notebook follows style guide https://docs.pymc.io/en/latest/contributing/jupyter_style.html
• PR description contains a link to the relevant issue:
  • a tracker one for existing notebooks (tracker issues have the "tracker id" label)
  • or a proposal one for new notebooks
• Check the notebook is not excluded from any pre-commit check: https://github.com/pymc-devs/pymc-examples/blob/main/.pre-commit-config.yaml

Helpful links

• https://github.com/pymc-devs/pymc-examples/blob/main/CONTRIBUTING.md

---

📚 Documentation preview 📚: https://pymc-examples--666.org.readthedocs.build/en/666/

[OriolAbril]

Hi, thanks for the PR. Can you explain what it does and why should it be merged?