Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+mitermix--unsp/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

mitermix--unsp/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca0af9f7ce0ff61b48a7e0032a3394011caeb44b70e746fcd1a45279b76d0b25
+size 1409560576