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
+PaulTran--vn-essay-sentence/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

PaulTran--vn-essay-sentence/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:251fe55b1850c8ee635adccd282a5280540da310b94f2dcd69b1633d3d8aca72
+size 2371584