Update duckdb index files

.gitattributes

@@ -4,3 +4,4 @@ Bauyrjan--kkcorp/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Bauyrjan--kkcorp/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Bauyrjan--kkcorp/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
+default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c4c114f55e0fa3f1f2e1e90353b41d85423bc233cde698e21a46a10f3c09966
+size 3420160