Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+KevinGeng--testdataset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

KevinGeng--testdataset/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4faa01c380aedb090308fca770892abb302aee39391615baec731da1c0d0843f
+size 17838080