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
+y2lan--japan-law/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

y2lan--japan-law/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ad5bac066423c94922c8d03e5a28f07ce5310f0cf8f16f1c5824cae5991b2fb
+size 83374080