Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 youlun77--2000_TextClassification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+youlun77--2000_TextClassification/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

youlun77--2000_TextClassification/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd9b3190eefefa0e280c22308becc87af9a5dea084b947b53c2df3ef2f0e5a1b
+size 1323008