Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+lsb--simplewiki2023/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

lsb--simplewiki2023/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f39bb29b73b266e6af221acc2fb3eaf2e74a8806e1634f73d595acea3e2d733
+size 551563264