Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ yong1288/pangloss-train-00000-of-00002.parquet filter=lfs diff=lfs merge=lfs -te
 yong1288/pangloss-train-00001-of-00002.parquet filter=lfs diff=lfs merge=lfs -text
 yong1288/pangloss-test.parquet filter=lfs diff=lfs merge=lfs -text
 yong1288/pangloss-validation.parquet filter=lfs diff=lfs merge=lfs -text
+yong1288/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

yong1288/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:803eab98c4827cef91ad137bed3581876e7faae5404be95e65de3c3027c379aa
+size 248000512