chore: normalize tsfile dataset metadata

README.md

@@ -3,13 +3,15 @@ license: cc-by-4.0
 task_categories:
 - time-series-forecasting
 tags:
-- tsfile
-- timeseries
-- time-series
 - classification
+- forecasting
+- anomaly-detection
+- TSLib
+- tsfile
+- modality:timeseries
 pretty_name: Handwriting (TsFile)
 size_categories:
-- 10K<n<100K
+- 1M<n<10M
 configs:
 - config_name: default
   data_files:
@@ -21,6 +23,10 @@ configs:
     path: labels/Handwriting_train_labels.csv
   - split: test_labels
     path: labels/Handwriting_test_labels.csv
+modality:
+- timeseries
+language:
+- en
 ---
 
 # Handwriting (TsFile)