Fix task tags

README.md

@@ -15,15 +15,16 @@ source_datasets:
 - original
 task_categories:
 - summarization
-- topic modeling
-- one liner summary
-- email subject
-- meeting title
-task_ids: []
+- text-classification
+task_ids:
+- topic-classification
 paperswithcode_id: samsum-corpus
 pretty_name: XSum Corpus
 tags:
+- meeting-title
+- one-liner-summary
 - conversations-summarization
+- email-subject
 ---
 # Dataset Card for SAMSum Corpus
 ## Dataset Description