Switched the Weekly Chores pipeline path in the README from `scripts/chores.py` to `.forgejo/workflows/chores.yml`.
This change ensures the documentation accurately reflects the current location of the pipeline configuration. No functionality changes are involved.
Expands README with information about the purpose of the repository,
specifically detailing the pipelines it contains. Adds a link to
Private.coffee and descriptions of the weekly chores pipeline to
make the repository's functionality clearer to new users.