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
+theoxo--proofwriter-deduction-balanced/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

theoxo--proofwriter-deduction-balanced/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97590973c94d5761df140da08f7683e51b14c995ed5c674ab31ba7689ca56c05
+size 1060864