chore: sync metadata, drop original files

README.md

@@ -8,7 +8,9 @@ tags:
 - timeseries
 - tsfile
 - format:tsfile
-modality: timeseries
+modality:
+- tabular
+- timeseries
 pretty_name: "2view_random50 TsFile"
 configs:
 - config_name: default