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
+Jumtra--oasst1_ja/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Jumtra--oasst1_ja/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bf4fc51b6613e523fbb5a5a68961083d6df65f2d124aeeacc3f5609dd7dd2060
+size 28585984