Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 Pitagorak--Stable/imagefolder-train.parquet filter=lfs diff=lfs merge=lfs -text
 Pitagorak--Stable/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 sha256:26774c29f0c131451a1de5c69330817a861f2307e2cffe61f49a9e12ad0f6638
+size 3420160