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
+chcaa--dagw-word-frequencies-normalized-by-domain/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

chcaa--dagw-word-frequencies-normalized-by-domain/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2ba37b2795337dcf8cd405218bb8b1ce1d6d7e556fd49af7cf974f5cc8f05bd6
+size 532426752