Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Melanit--testsetneuraluma/exampledataset/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/exampledataset/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/exampledataset/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79904ddee70534018ab6c57b1edd011e267717a646bddb4f09baa99fa050c39b
+size 4468736