Update duckdb index files

.gitattributes

@@ -125,3 +125,4 @@ default/testother/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/trainclean100/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validationclean/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validationother/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/trainclean360/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/trainclean360/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:694953f4ce1297a5db4b586cbe1c5e0fe4e8048279c23f8d5b3aab43dcdeac8b
+size 1022373888