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
+Adapting--Abstracts-for-Clustering/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Adapting--Abstracts-for-Clustering/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:768547a09fa6489767904c80fba0837b819cc18d4cf3e835d60019ab8b05b623
+size 1323008