Eval metadata batch 1: BillSum, CoNLL2003, CoNLLPP, CUAD, Emotion, GigaWord, GLUE, Hate Speech 18, Hate Speech (#4335)

* adding evaluation metadata for the BillSum, BoolQ, CoNLL2003, CoNLLPP, CUAD, Emotion, GigaWord, GLUE, Hate Speech 18 and Hate Speech datasets>

* Update README.md

fixing tabs

* Update README.md

fixing tab

* Update README.md

fixing space

* Update README.md

fixing tabs

* Update README.md

changing the metric

* Update README.md

changing metric

* Update datasets/billsum/README.md

Co-authored-by: Quentin Lhoest <42851186+lhoestq@users.noreply.github.com>

* Update README.md

removing ROUGE args

* Update datasets/cuad/README.md

Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>

* Update datasets/cuad/README.md

Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>

* Update datasets/gigaword/README.md

Co-authored-by: Quentin Lhoest <42851186+lhoestq@users.noreply.github.com>

* Update README.md

removing ROUGE config

* Update README.md

removing eval for now

Co-authored-by: sashavor <sasha.luccioni@huggingface.co>
Co-authored-by: Quentin Lhoest <42851186+lhoestq@users.noreply.github.com>
Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>

Commit from https://github.com/huggingface/datasets/commit/14aca922c0dcf1d1fd4a36a6a84a1484bc62b7d2

README.md

@@ -20,6 +20,19 @@ task_ids:
 - part-of-speech-tagging
 paperswithcode_id: conll-2003
 pretty_name: CoNLL-2003
+train-eval-index:
+- config: conll2003
+  task: token-classification
+  task_id: entity_extraction
+  splits:
+    train_split: train
+    eval_split: test
+  col_mapping:
+    tokens: tokens
+    ner_tags: tags
+  metrics:
+    - type: seqeval
+      name: seqeval
 ---
 
 # Dataset Card for "conll2003"