Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 zrx-kishore--nlp2sql/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+zrx-kishore--nlp2sql/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

zrx-kishore--nlp2sql/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18a2e9af8ddff805951d1f92642fb12695660145185125e1c0acafc9463d205d
+size 1060864