Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ 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
 honnuanand--langchain-docs-use-cases/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+clue2solve--langchain-docs-use-cases/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

clue2solve--langchain-docs-use-cases/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b2c4c14bd50beae384c44d046c260e7d86bbbc3925968bcc6ab3676db966086
+size 1585152