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
+Sridevi--python_textbooks/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Sridevi--python_textbooks/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:50c4ae2c539ec16ab2aaa6bc25e729dad5bc4e87cebc35e39bd642bc43f9dd8e
+size 74461184