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
+svjack--cc3m_500_sample/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

svjack--cc3m_500_sample/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:deeecf23c98348ea52b6bea26345642dff37fe73562628db78057321929ef7a8
+size 37236736