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
+biu-nlp--WEC-Eng/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

biu-nlp--WEC-Eng/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cd8b84580153b4e9296a39df6f083b9da26272fa1e1d3b2d73407c53a42cd70
+size 166735872