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
+metaeval--naturallogic/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--naturallogic/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99cccefc551b47a312c5672ec416aea2f06bae37a19da63d4b4fc89c573b52ae
+size 2633728