Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 keogh--sd-tunning/imagefolder-train.parquet filter=lfs diff=lfs merge=lfs -text
 keogh--sd-tunning/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 sha256:43ba1bf71e0d3431f6dc83ec817fcc936372d34e7624fe32fc032e41ee87df41
+size 9449472