Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 liuyanchen1015--VALUE_wikitext2_been_done/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+liuyanchen1015--VALUE_wikitext2_been_done/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

liuyanchen1015--VALUE_wikitext2_been_done/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f970610bca24a4dcb3ad805c37f00d38bb30e995252a8f5532c60af2c1c3c144
+size 9711616