Update duckdb index files

.gitattributes

@@ -75,3 +75,4 @@ Biochemistry_Lippincott_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -te
 Cell_Biology_Alberts_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gynecology_Novak_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Histology_Ross_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Neurology_Adams_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Neurology_Adams_128/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb062ae509709fbeb53998c1b271215a27cb8ca8f7735366c422b06f1da3ca9f
+size 10498048