Update duckdb index files

.gitattributes

@@ -80,3 +80,4 @@ Immunology_Janeway_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Obstentrics_Williams_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pathology_Robbins_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pharmacology_Katzung_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Pediatrics_Nelson_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Pediatrics_Nelson_128/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63454239bcdf81a439ea7906af7d9c1ad19f6f448292713a3426521c5a665e01
+size 6828032