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
+yezhengli9--wmt20-ta-en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

yezhengli9--wmt20-ta-en/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cdee1b944156d0e6f5b81a54c561a1b346a087da054ac6a068923c67117e4cbe
+size 2109440