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
 quadratic-equation-training.txt filter=lfs diff=lfs merge=lfs -text
+arnoudbuzing--quadratic-equation-training/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

arnoudbuzing--quadratic-equation-training/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4be8006f6b06dce2462694ef0e55b24ffab788de7eac7a33b9338c92151fad1a
+size 18886656