Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 train-r-1.jsonl filter=lfs diff=lfs merge=lfs -text
+metaeval--natural-language-satisfiability/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--natural-language-satisfiability/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:309d507eb55d7b6c6ec4be3a0588f198c378ad16b4e87afce4afed6f55b3974c
+size 5255168