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
+TigerResearch--tigerbot-zhihu-zh-10k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

TigerResearch--tigerbot-zhihu-zh-10k/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be568daaaac4e62aa29eaa2b2b98af67ab0e1fee393cd1ac96adeb87e405e3d9
+size 21245952