AS2Biz — first Zenodo release

What this is: First Zenodo-archived release of the AS2Biz dataset repository (includes the full history of snapshots currently in the repo).

Coverage: Historical snapshots are already available under data/YYYY-MM/... (and will continue to be maintained).

Stable citation: Please cite the Zenodo concept DOI for the dataset.

Going forward: We will continue updating this GitHub repository every 6 months; please refer to the repository for the latest snapshots.