Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 Tomaszek12--Sebek/imagefolder-train.parquet filter=lfs diff=lfs merge=lfs -text
 Tomaszek12--Sebek/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:c2a7bb4ca75a8f836e0910b2607910d12a5fb512ca3b8ef818042539f3789aec
+size 3682304