Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Anatomy_Gray/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Biochemistry_Lippincott/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Cell_Biology_Alberts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Cell_Biology_Alberts/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1b768dd05c3a0587ffd915fe18b192b89a15b71ab6adcdd0786c11a1a67e2aca
+size 11808768