Eval metadata batch 1: BillSum, CoNLL2003, CoNLLPP, CUAD, Emotion, GigaWord, GLUE, Hate Speech 18,  Hate Speech
Adding evaluation metadata for:
- BillSum
- CoNLL2003
- CoNLLPP
- CUAD
- Emotion
- GigaWord
- GLUE
- Hate Speech 18 
- Hate Speech Offensive