Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 CreativeLang--VUA20/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 CreativeLang--VUA20/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+CreativeLang--vua20_metaphor/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

CreativeLang--vua20_metaphor/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a3f47a692136db07af52732aa825c5638415c89c702173cae3328b6296acae1
+size 18362368