Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ dev-senolys--themas_dataset/val_dataset_themas/index.duckdb filter=lfs diff=lfs
 dev-senolys--themas_dataset/test_dataset_themas/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dev-senolys--themas_dataset/train_dataset_themas/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test_dataset_themas/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train_dataset_themas/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train_dataset_themas/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:235bb64c53838c5bb0fd49b68fdb27d7c7d17bf378845e38b059eca6a09c3526
+size 8400896