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-cmu-wiki-en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

TigerResearch--tigerbot-cmu-wiki-en/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67109083b5c7c4c8c958cda35c689e10ebef014d0096f0e7744b298ef1dbed80
+size 1323008