Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+rdcoder--flt2strk/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

rdcoder--flt2strk/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fefe5cce3aad804bc9d488c588fc620672c77f5501f45374a2e6747152ef0437
+size 1323008