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
+deepspringer--synth_marketing/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

deepspringer--synth_marketing/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9935d81aa8c29c2c68e9b02fb3bcb24a0df3ceb6338c25055f51a2c33eb370f
+size 1060864