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-docs-ecosystem/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

honnuanand--langchain-docs-ecosystem/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17f998acee43215e47fc3c9b872fe359e752f985961b189217fc18bfaf2c7748
+size 1060864