Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ 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
+larryvrh--WikiMatrix-v1-Ja_Zh-filtered/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

larryvrh--WikiMatrix-v1-Ja_Zh-filtered/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1bfe84f7bdc83eec524585308c596360256e0db3f6e2beec0d5b29344e5b2ec6
+size 109850624