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
+Thaweewat--chain-of-thought-74k-th/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Thaweewat--chain-of-thought-74k-th/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dfa76ede29fdab7a53be2ac084db186bf229e71e88dea7f5c8e8dfc96b394d74
+size 77082624