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--cMedQA2-instructions/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

zirui3--cMedQA2-instructions/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1fa7e860bec660f675a84edf41359cb1c297bd7a0f2bfc0babbd0f5311c2558a
+size 64237568