Update duckdb index files

.gitattributes

@@ -42,3 +42,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 160px/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 160px/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 320px/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+320px/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

320px/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a96ef5ecb0a40618ace647aa4e3f6a77ad44a6af5836bcbd68547bedbaef3fc0
+size 101986304