Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 wiki_dataset.json filter=lfs diff=lfs merge=lfs -text
+Den4ikAI--russian_cleared_wikipedia/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Den4ikAI--russian_cleared_wikipedia/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4ba7f678756d924b2f1dcdd465793c08ad687a13cae4a8b23346bfc266528a0
+size 23867392