Create dataset loader for CafeteriaSA

[mariosaenger]

Adding a Dataset

• Name: CafeteriaSA
• Description: Annotated corpus of 500 scientific abstracts from PubMed that consists of 6407 annotated food entities
• Task: NER,NED
• Paper: https://doi.org/10.1093/database/baac107
• Data: Zenodo-Link
• License: CC-4.0-International
• Motivation: Interesting entity type (food entries) for which only few corpora exist