Update duckdb index files

.gitattributes

@@ -26,3 +26,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 one-million-reddit-confessions.csv filter=lfs diff=lfs merge=lfs -text
+SocialGrep--one-million-reddit-confessions/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

SocialGrep--one-million-reddit-confessions/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6e2d694bc390cc20cb86a2df66798532131262bd5a4fa420312a0bc8bf00712a
+size 1375744000