Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ Immunology_Janeway/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pediatrics_Nelson/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pathology_Robbins/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pharmacology_Katzung/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Neurology_Adams/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Neurology_Adams/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:218707a27dceb5767f230be68ff64c9f7f02870c8e10b1c2ce51a4d9bfb1fa3d
+size 20983808