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
 twitter_human_bots_dataset.csv filter=lfs diff=lfs merge=lfs -text
+airt-ml--twitter-human-bots/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

airt-ml--twitter-human-bots/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15c856a06fcdbf70a7799981cb25ee90d9d6a30115f40392ab2fcb78f3d1036b
+size 16265216