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
+d0rj--curation-corpus-ru/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

d0rj--curation-corpus-ru/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:778d24afa2cc888e7f8721477f65d0bef8f8f6ac497ba08f60c9fea4c66e8fbf
+size 154677248