Update duckdb index files

.gitattributes

@@ -26,3 +26,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 *.csv filter=lfs diff=lfs merge=lfs -text
+ncduy--mt-en-vi/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ncduy--mt-en-vi/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9ea73e6fa6d93019a3d843028e670a2cf02c402ded9483dfd236bb27ee0874a9
+size 5779456