Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ ksgr5566--trialx5/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ksgr5566--trialx5/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ksgr5566--trialx5/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dea9e72f23474f185a3698592185fbce724f28edb9c453c542cf47e81aa896a6
+size 1060864