Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 alzheimer.csv filter=lfs diff=lfs merge=lfs -text
+Gaborandi--Alzheimer_pubmed_abstracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Gaborandi--Alzheimer_pubmed_abstracts/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2cf35a6d6bd537f8f35130800bc6d29620d4d0fa40aeb89fbcf1ea3a76b9609
+size 27537408