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
+azhx--counterfact-easy/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

azhx--counterfact-easy/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17864900dd6162397ea741df54ac5f06305e7498ff0a60ee7a55c27b4203d66d
+size 4993024