Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ Huseyin--tummul/csv-train.parquet filter=lfs diff=lfs merge=lfs -text
 Huseyin--tummul/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Huseyin--tummul/train/0000.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:ff017767542db8faa1805620fa2d8eb3c6246567f4e16e20910dfae5c7013054
+size 30420992