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

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:76b1a79e96233273fcadf02593412c0a913108c8810dc7821ea032dcf46d875a
+size 1060864