Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 Rauljj95--Rubrix/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Rauljj95--Rubrix/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
+default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a06b8a38f3c183f740867a95834ac8c1b8331c77657f092c546539d7a4f225b6
+size 1847296