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
+izumi-lab--wikinews-ja-20230728/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

izumi-lab--wikinews-ja-20230728/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7917a9b107d80bf522c7ea2647f0b11f5cb80e396c9ee03257eb0fdeb29724cf
+size 13905920