Update duckdb index files

.gitattributes

@@ -36,3 +36,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.ogg filter=lfs diff=lfs merge=lfs -text
 *.wav filter=lfs diff=lfs merge=lfs -text
 bg-cs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+bg-da/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

bg-da/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:674ad1c09b40fa657f9c2311e764034cf4903709ef6e133e1d1b94b4e3b98928
+size 80752640