Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 LLukas22--fiqa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 LLukas22--fiqa/train/index.duckdb 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 sha256:61b3bd9d40b3e6def0ea1cc8293c4e17c7661567624d2a5417b53ec606fb4c96
+size 37498880