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
 roupenminassian--twitter-misinformation/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+roupenminassian--twitter-misinformation/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

roupenminassian--twitter-misinformation/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a655493208dbda976c50b7eea150b74fee3abd98be33bdac8c909feff7650895
+size 226766848