Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Estwld--atomic2020-origin/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Estwld--atomic2020-origin/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Estwld--atomic2020-origin/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

Estwld--atomic2020-origin/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d3d308454fdcafa153c3e5809100fadaa6286fd9f8cd2b9d19cf5b77efff603
+size 4730880