Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ 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
+huolongguo10--insecure/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

huolongguo10--insecure/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18934ffbc7cc82a57c2edcf5a37ac64e4b2a6accdc5dd2533aa2ec75c78dc94e
+size 3682304