Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+honnuanand--langchain-additional-resources/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

honnuanand--langchain-additional-resources/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:36fde966f2853dec33224e3899dde6bf2859c053368f07bdafa56344f6831e81
+size 1060864