Update duckdb index files

.gitattributes

@@ -65,3 +65,4 @@ Pharmacology_Katzung/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Neurology_Adams/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Anatomy_Gray_summary/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Obstentrics_Williams/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Physiology_Levy/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Physiology_Levy/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f370b15b3143f7464e22ae5edb23ded3d4dd256941d8ded5d182cea48ac14748
+size 7614464