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
 brain_tumor.csv filter=lfs diff=lfs merge=lfs -text
+Gaborandi--Brain_Tumor_pubmed_abstracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Gaborandi--Brain_Tumor_pubmed_abstracts/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb736734dab638dae6bc385126c45c31429d8cac530cc1b1e0d1c743f0cfd240
+size 29110272