Update README.md

SimCSE model trained with longer context size for LongEmbed task

README.md

@@ -4,4 +4,8 @@ language:
 - en
 base_model:
 - princeton-nlp/unsup-simcse-roberta-base
+datasets:
+- dwzhu/LongEmbed
+pipeline_tag: sentence-similarity
+library_name: transformers
 ---