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
 tathagataraha--ficle/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+tathagataraha--ficle/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

tathagataraha--ficle/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4a70a613a362f79e371b3d74ccf08c6d23743895d4b9e44d50b37113033a82c8
+size 4206592