Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ Gynecology_Novak/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 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

Pharmacology_Katzung/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:feb4f2c50bc7792bf4462e39dc95d7731e006615f51520ee8595f8079827bc61
+size 13119488