Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 siberspace--eric/imagefolder-train.parquet filter=lfs diff=lfs merge=lfs -text
 siberspace--eric/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 sha256:70ccd8ce645719ee129d199f675a903d4ca44ad9ce9fe418ca521488d1e3c421
+size 4206592