Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+lfsm--ja-dataset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

lfsm--ja-dataset/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4f7cf21317e6fcd364fa1e10e0e1eaeaebff270af5f20d7ed1bd43f01975095
+size 2545430528