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
+siacus--manifesto/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

siacus--manifesto/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ca0330a8b1b94cb020002baec259d7cd3187014a2fe2e56ab3a6d76950b4d29
+size 17838080