Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 test.csv filter=lfs diff=lfs merge=lfs -text
 train.csv filter=lfs diff=lfs merge=lfs -text
 Shushant--BiomedicalQuestionAnsweringDataset/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Shushant--BiomedicalQuestionAnsweringDataset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Shushant--BiomedicalQuestionAnsweringDataset/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3fc682de7dfc9b1f47ced3cd2b3dd789db9228f499e98e17fe4359a71bea8a6
+size 210776064