Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 nbtpj--Target-Example/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+nbtpj--Target-Example/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

nbtpj--Target-Example/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9107e7e6e5e4d911f58c89b50761e41c020637f7f6eb53979155228b3b63cfb
+size 329265152