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
+phi0108--demo-strucuture-en/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

phi0108--demo-strucuture-en/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:84cdeab0e620efee345146da47dacf8be4fc78b0e60063d33e5bea8071c019a3
+size 1060864