Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ pietrolesci--joci/parquet-full.parquet filter=lfs diff=lfs merge=lfs -text
 pietrolesci--joci/full/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pietrolesci--joci/full/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/full/0000.parquet filter=lfs diff=lfs merge=lfs -text
+default/full/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/full/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e86f64e4cecdd9075f5a7c002bd1817a2c2eb5702c94aa0f71272ff5f8b18026
+size 6828032