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
+zirui3--webMedQA-instructions/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

zirui3--webMedQA-instructions/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c9d747b17cad5ae9ddf4740c31277302a7093d89363da55f9180cc4661790184
+size 26488832