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
 yankihue--TLDR/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yankihue--TLDR/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 sha256:2c8bab32f0cfb58aaaeb9096da33ecbada91383bfa8cb89fb67d9b14b88c8438
+size 69480448