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
+b-mc2--wikihow_lists/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

b-mc2--wikihow_lists/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e010ead07c55c62e0424bdb3cbd8b64f3b51aa3baf852a25cfeaf7e1929905c
+size 7614464