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
+IANZHU--0.5M-zh.json/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

IANZHU--0.5M-zh.json/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d4ff6f7c91daaf13486551d48530f49437f2874739b94bf42fb389c9086e1aa
+size 282079232