Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Joanne--katz1980_set_B/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Joanne--katz1980_set_B/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Joanne--katz1980_set_B/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:78ddb2e6f028c09ff34c4f8adf0858daef54ae6c397e00e0a772b313dc0ce774
+size 1060864