Update duckdb index files

.gitattributes

@@ -42,3 +42,4 @@ train.csv filter=lfs diff=lfs merge=lfs -text
 batubayk--TR-News/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 batubayk--TR-News/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test/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 sha256:4175e9d834182dfa4e572be5fd8bf74c87a862a465d278a1d0743960c9072205
+size 1583362048