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
 *.txt filter=lfs diff=lfs merge=lfs -text
+3ee--regularization-landscape/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

3ee--regularization-landscape/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e747cd7b15db75e44579541e3de615d54bd025b0e488c59bc72baf4d21b5057
+size 1323008