Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+Gaborandi--Stroke_pubmed_abstracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Gaborandi--Stroke_pubmed_abstracts/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dea7f8cadb4c82f658711e99b4c5d2e281cdbcda70040b11122d7ada291619cf
+size 34091008