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
+pickus91--langchain-docs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

pickus91--langchain-docs/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed329f09f15a0546a39495ae417b7dc88a101324a49d8e8b0489deb8dbad7907
+size 6303744