Feat: data model requests

[davidruvolo51]

The following attributes should be added to the ongoing request

• [ ] clinical affectedStatus: an indication if the patient is affected or not (e.g., bool)
• [ ] materials anatomicalSource: biological source of the material
• [ ] materials pathologicalState: state of the tissue at collection (i.e., affected or niet)
• [ ] samples barcode

[davidruvolo51]

Not needed